Migrate //chromeos/ash/components/network to namespace ash [9/N]

This CL migrates remaining files to namespace ash from chromeos.

This CL is part of the Chrome OS source code directory migration:
https://docs.google.com/document/d/1g-98HpzA8XcoGBWUv1gQNr4rbnD5yfvbtYZyPDDbkaE.

Bug: 1164001
Change-Id: If75617355585da7891a52236dc8b472d561eb227
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3815105
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Commit-Queue: Yeunjoo Choi <ychoi@igalia.com>
Owners-Override: Hidehiko Abe <hidehiko@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1032884}

ash/components/arc/net/arc_net_host_impl.cc

@@ -83,7 +83,7 @@ ash::NetworkProfileHandler* GetNetworkProfileHandler() {
   return chromeos::NetworkHandler::Get()->network_profile_handler();
 }
 
-const chromeos::NetworkProfile* GetNetworkProfile() {
+const ash::NetworkProfile* GetNetworkProfile() {
   return GetNetworkProfileHandler()->GetProfileForUserhash(
       chromeos::LoginState::Get()->primary_user_hash());
 }

ash/components/tether/synchronous_shutdown_object_container_impl.h

@@ -11,8 +11,6 @@
 // TODO(https://crbug.com/1164001): move to forward declaration
 #include "ash/services/secure_channel/public/cpp/client/secure_channel_client.h"
 // TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_connect.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
 #include "chromeos/ash/components/network/network_state_handler.h"
 
 class PrefService;
@@ -27,6 +25,7 @@ namespace device_sync {
 class DeviceSyncClient;
 }
 
+class NetworkConnect;
 class NetworkConnectionHandler;
 
 namespace tether {

ash/components/tether/tether_component_impl.h

@@ -13,8 +13,6 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 // TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_connect.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
 #include "chromeos/ash/components/network/network_state_handler.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "device/bluetooth/bluetooth_adapter.h"
@@ -36,6 +34,7 @@ class DeviceSyncClient;
 }
 
 class ManagedNetworkConfigurationHandler;
+class NetworkConnect;
 class NetworkConnectionHandler;
 
 namespace tether {

ash/components/tether/wifi_hotspot_connector.h

@@ -14,10 +14,6 @@
 #include "base/timer/timer.h"
 #include "base/values.h"
 // TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_connect.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_state.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
 #include "chromeos/ash/components/network/network_state_handler.h"
 #include "chromeos/ash/components/network/network_state_handler_observer.h"
 
@@ -27,6 +23,9 @@ class TaskRunner;
 
 namespace ash {
 
+class NetworkConnect;
+class NetworkState;
+
 namespace tether {
 
 // Connects to a Wi-Fi hotspot, given an SSID and password.

ash/services/cellular_setup/esim_profile.h

@@ -9,8 +9,6 @@
 #include "base/memory/weak_ptr.h"
 #include "chromeos/ash/components/dbus/hermes/hermes_profile_client.h"
 #include "chromeos/ash/components/dbus/hermes/hermes_response_status.h"
-// TODO(https://crbug.com/1164001): move to forward declaration.
-#include "chromeos/ash/components/network/cellular_esim_profile.h"
 #include "chromeos/ash/components/network/cellular_inhibitor.h"
 #include "mojo/public/cpp/bindings/receiver_set.h"
 
@@ -18,7 +16,11 @@ namespace dbus {
 class ObjectPath;
 }
 
-namespace ash::cellular_setup {
+namespace ash {
+
+class CellularESimProfile;
+
+namespace cellular_setup {
 
 class Euicc;
 class ESimManager;
@@ -117,6 +119,7 @@ class ESimProfile : public mojom::ESimProfile {
   base::WeakPtrFactory<ESimProfile> weak_ptr_factory_{this};
 };
 
-}  // namespace ash::cellular_setup
+}  // namespace cellular_setup
+}  // namespace ash
 
 #endif  // ASH_SERVICES_CELLULAR_SETUP_ESIM_PROFILE_H_

ash/services/cellular_setup/euicc.h

@@ -9,8 +9,6 @@
 #include "base/gtest_prod_util.h"
 #include "chromeos/ash/components/dbus/hermes/hermes_euicc_client.h"
 #include "chromeos/ash/components/dbus/hermes/hermes_profile_client.h"
-// TODO(https://crbug.com/1164001): move to forward declaration.
-#include "chromeos/ash/components/network/cellular_esim_profile.h"
 #include "chromeos/ash/components/network/cellular_inhibitor.h"
 #include "mojo/public/cpp/bindings/receiver_set.h"
 
@@ -18,7 +16,11 @@ namespace dbus {
 class ObjectPath;
 }
 
-namespace ash::cellular_setup {
+namespace ash {
+
+class CellularESimProfile;
+
+namespace cellular_setup {
 
 class ESimProfile;
 class ESimManager;
@@ -114,6 +116,7 @@ class Euicc : public mojom::Euicc {
   base::WeakPtrFactory<Euicc> weak_ptr_factory_{this};
 };
 
-}  // namespace ash::cellular_setup
+}  // namespace cellular_setup
+}  // namespace ash
 
 #endif  // ASH_SERVICES_CELLULAR_SETUP_EUICC_H_

ash/system/network/auto_connect_notifier_unittest.cc

@@ -46,9 +46,9 @@ class AutoConnectNotifierTest : public AshTestBase {
   ~AutoConnectNotifierTest() override = default;
 
   void SetUp() override {
-    chromeos::SystemTokenCertDbStorage::Initialize();
-    chromeos::NetworkCertLoader::Initialize();
-    chromeos::NetworkCertLoader::ForceAvailableForNetworkAuthForTesting();
+    SystemTokenCertDbStorage::Initialize();
+    NetworkCertLoader::Initialize();
+    NetworkCertLoader::ForceAvailableForNetworkAuthForTesting();
     network_handler_test_helper_ = std::make_unique<NetworkHandlerTestHelper>();
     CHECK(chromeos::NetworkHandler::Get()->auto_connect_handler());
     network_config_helper_ = std::make_unique<
@@ -75,8 +75,8 @@ class AutoConnectNotifierTest : public AshTestBase {
     AshTestBase::TearDown();
     network_config_helper_.reset();
     network_handler_test_helper_.reset();
-    chromeos::NetworkCertLoader::Shutdown();
-    chromeos::SystemTokenCertDbStorage::Shutdown();
+    NetworkCertLoader::Shutdown();
+    SystemTokenCertDbStorage::Shutdown();
   }
 
   void NotifyConnectToNetworkRequested() {

ash/system/network/cellular_setup_notifier_unittest.cc

@@ -43,8 +43,8 @@ class CellularSetupNotifierTest : public NoSessionAshTestBase {
   ~CellularSetupNotifierTest() override = default;
 
   void SetUp() override {
-    chromeos::SystemTokenCertDbStorage::Initialize();
-    chromeos::NetworkCertLoader::Initialize();
+    SystemTokenCertDbStorage::Initialize();
+    NetworkCertLoader::Initialize();
     chromeos::shill_clients::InitializeFakes();
     hermes_clients::InitializeFakes();
     chromeos::NetworkHandler::Initialize();
@@ -69,8 +69,8 @@ class CellularSetupNotifierTest : public NoSessionAshTestBase {
     chromeos::NetworkHandler::Shutdown();
     hermes_clients::Shutdown();
     chromeos::shill_clients::Shutdown();
-    chromeos::NetworkCertLoader::Shutdown();
-    chromeos::SystemTokenCertDbStorage::Shutdown();
+    NetworkCertLoader::Shutdown();
+    SystemTokenCertDbStorage::Shutdown();
   }
 
   // Returns the cellular setup notification if it is shown, and null if it is

ash/system/network/network_detailed_view_controller.cc

@@ -181,7 +181,7 @@ void NetworkDetailedViewController::OnNetworkListItemSelected(
           UserMetricsAction("StatusArea_Network_ConnectConfigured"));
       LogUserNetworkEvent(*network.get());
       RecordNetworkRowClickedAction(NetworkRowClickedAction::kConnectToNetwork);
-      chromeos::NetworkConnect::Get()->ConnectToNetworkId(network->guid);
+      NetworkConnect::Get()->ConnectToNetworkId(network->guid);
       return;
     }
   }

ash/system/network/network_detailed_view_controller_unittest.cc

@@ -58,7 +58,7 @@ constexpr char kNetworkConnectionDetails[] =
 const std::string kNetworkTechnologyWiFi = "WiFi";
 const std::string kNetworkTechnologyMobile = "Mobile";
 
-class NetworkConnectTestDelegate : public chromeos::NetworkConnect::Delegate {
+class NetworkConnectTestDelegate : public NetworkConnect::Delegate {
  public:
   NetworkConnectTestDelegate() {}
 
@@ -96,7 +96,7 @@ class NetworkDetailedViewControllerTest : public AshTestBase {
 
     // Creating a service here, since we would be testing that wifi,
     // networks which can be connected to are actually connected to. This
-    // checks that chromeos::NetworkConnect eventually connects us to the
+    // checks that NetworkConnect eventually connects us to the
     // network.
     wifi_service_path_ =
         network_state_helper()->ConfigureService(base::StringPrintf(
@@ -106,7 +106,7 @@ class NetworkDetailedViewControllerTest : public AshTestBase {
             kWifi));
 
     network_connect_delegate_ = std::make_unique<NetworkConnectTestDelegate>();
-    chromeos::NetworkConnect::Initialize(network_connect_delegate_.get());
+    NetworkConnect::Initialize(network_connect_delegate_.get());
     AshTestBase::SetUp();
 
     feature_list_.InitAndEnableFeature(features::kQuickSettingsNetworkRevamp);
@@ -119,7 +119,7 @@ class NetworkDetailedViewControllerTest : public AshTestBase {
   void TearDown() override {
     network_detailed_view_controller_.reset();
     AshTestBase::TearDown();
-    chromeos::NetworkConnect::Shutdown();
+    NetworkConnect::Shutdown();
     chromeos::NetworkHandler::Shutdown();
     network_connect_delegate_.reset();
   }

ash/system/network/network_state_list_detailed_view.cc

@@ -297,7 +297,7 @@ void NetworkStateListDetailedView::HandleViewClickedImpl(
         RecordNetworkRowClickedAction(
             NetworkRowClickedAction::kConnectToNetwork);
       }
-      chromeos::NetworkConnect::Get()->ConnectToNetworkId(network->guid);
+      NetworkConnect::Get()->ConnectToNetworkId(network->guid);
       return;
     }
   }

ash/system/network/vpn_list_view.cc

@@ -290,9 +290,8 @@ void VPNListNetworkEntry::UpdateFromNetworkState(
     if (IsVpnConfigAllowed()) {
       disconnect_button_ = TrayPopupUtils::CreateTrayPopupButton(
           // TODO(stevenjb): Replace with mojo API. https://crbug.com/862420.
-          base::BindRepeating(
-              &chromeos::NetworkConnect::DisconnectFromNetworkId,
-              base::Unretained(chromeos::NetworkConnect::Get()), guid_),
+          base::BindRepeating(&NetworkConnect::DisconnectFromNetworkId,
+                              base::Unretained(NetworkConnect::Get()), guid_),
           l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_VPN_DISCONNECT));
       disconnect_button_->SetAccessibleName(l10n_util::GetStringFUTF16(
           IDS_ASH_STATUS_TRAY_NETWORK_DISCONNECT_BUTTON_A11Y_LABEL, label));

chrome/browser/ash/arc/enterprise/cert_store/cert_store_service_browsertest.cc

@@ -546,7 +546,7 @@ void CertStoreServiceTest::CheckInstalledCerts(
       std::string hex_encoded_id =
           base::HexEncode(cert_id.data(), cert_id.size());
       EXPECT_EQ(hex_encoded_id,
-                chromeos::NetworkCertLoader::GetPkcs11IdAndSlotForCert(
+                ash::NetworkCertLoader::GetPkcs11IdAndSlotForCert(
                     nss_cert.get(), &slot_id));
       EXPECT_TRUE(PlaceholdersContainIdAndSlot(cert_id, cert.test_data.slot));
       break;

chrome/browser/ash/arc/intent_helper/arc_settings_service.cc

@@ -568,7 +568,7 @@ void ArcSettingsServiceImpl::SyncLocationServiceEnabled() const {
 // multi-network support so we should sync per-network proxy configuration.
 void ArcSettingsServiceImpl::SyncProxySettings() const {
   std::unique_ptr<ProxyConfigDictionary> proxy_config_dict =
-      chromeos::ProxyConfigServiceImpl::GetActiveProxyConfigDictionary(
+      ash::ProxyConfigServiceImpl::GetActiveProxyConfigDictionary(
           GetPrefs(), g_browser_process->local_state());
 
   ProxyPrefs::ProxyMode mode;

chrome/browser/ash/arc/intent_helper/arc_settings_service_browsertest.cc

@@ -306,8 +306,7 @@ class ArcSettingsServiceTest : public InProcessBrowserTest {
                                            ->network_state_handler()
                                            ->GetNetworkState(service_path);
     ASSERT_TRUE(network);
-    chromeos::proxy_config::SetProxyConfigForNetwork(proxy_config_dict,
-                                                     *network);
+    ash::proxy_config::SetProxyConfigForNetwork(proxy_config_dict, *network);
   }
 
   std::unique_ptr<FakeIntentHelperInstance> fake_intent_helper_instance_;
@@ -608,7 +607,7 @@ IN_PROC_BROWSER_TEST_F(ArcSettingsServiceTest, TwoSourcesTest) {
                                          ->network_state_handler()
                                          ->DefaultNetwork();
   ASSERT_TRUE(network);
-  chromeos::proxy_config::SetProxyConfigForNetwork(proxy_config_dict, *network);
+  ash::proxy_config::SetProxyConfigForNetwork(proxy_config_dict, *network);
   RunUntilIdle();
 
   base::Value expected_proxy_config(base::Value::Type::DICTIONARY);

chrome/browser/ash/crosapi/network_settings_service_ash.cc

@@ -194,8 +194,8 @@ void NetworkSettingsServiceAsh::DetermineEffectiveProxy() {
   if (!pref_service)
     return;
   crosapi::mojom::ProxyConfigPtr new_proxy_config = ProxyConfigToCrosapiProxy(
-      chromeos::ProxyConfigServiceImpl::GetActiveProxyConfigDictionary(
-          pref_service, local_state_)
+      ash::ProxyConfigServiceImpl::GetActiveProxyConfigDictionary(pref_service,
+                                                                  local_state_)
           .get(),
       cached_wpad_url_);
 

chrome/browser/ash/crosapi/vpn_service_ash.cc

@@ -208,7 +208,7 @@ void VpnServiceForExtensionAsh::CreateConfiguration(
 
   // Since the API is only designed to be used with the primary profile, it's
   // safe to get the hash of the primary profile here.
-  const chromeos::NetworkProfile* profile =
+  const ash::NetworkProfile* profile =
       chromeos::NetworkHandler::Get()
           ->network_profile_handler()
           ->GetProfileForUserhash(ash::ProfileHelper::GetUserIdHashFromProfile(

chrome/browser/ash/login/saml/saml_lockscreen_browsertest.cc

@@ -722,8 +722,7 @@ class ProxyAuthLockscreenWebUiTest : public LockscreenWebUiTest {
     ASSERT_EQ(network->guid(),
               FakeShillManagerClient::kFakeEthernetNetworkGuid);
 
-    chromeos::proxy_config::SetProxyConfigForNetwork(proxy_config_dict,
-                                                     *network);
+    proxy_config::SetProxyConfigForNetwork(proxy_config_dict, *network);
     base::RunLoop().RunUntilIdle();
   }
 

chrome/browser/ash/login/users/chrome_user_manager_impl.cc

@@ -119,8 +119,6 @@
 namespace ash {
 namespace {
 
-// TODO(https://crbug.com/1164001): remove after the class is migrated
-using ::chromeos::ProxyConfigServiceImpl;
 using ::content::BrowserThread;
 
 // A string pref that gets set when a device local account is removed but a

chrome/browser/ash/policy/core/browser_policy_connector_ash.cc

@@ -257,8 +257,8 @@ void BrowserPolicyConnectorAsh::Init(
           ash::CrosSettings::Get(),
           DeviceNetworkConfigurationUpdaterAsh::DeviceAssetIDFetcher());
   // NetworkCertLoader may be not initialized in tests.
-  if (chromeos::NetworkCertLoader::IsInitialized()) {
-    chromeos::NetworkCertLoader::Get()->SetDevicePolicyCertificateProvider(
+  if (ash::NetworkCertLoader::IsInitialized()) {
+    ash::NetworkCertLoader::Get()->SetDevicePolicyCertificateProvider(
         device_network_configuration_updater_.get());
   }
 
@@ -345,9 +345,8 @@ void BrowserPolicyConnectorAsh::Shutdown() {
   system_proxy_handler_.reset();
 
   // NetworkCertLoader may be not initialized in tests.
-  if (chromeos::NetworkCertLoader::IsInitialized()) {
-    chromeos::NetworkCertLoader::Get()->SetDevicePolicyCertificateProvider(
-        nullptr);
+  if (ash::NetworkCertLoader::IsInitialized()) {
+    ash::NetworkCertLoader::Get()->SetDevicePolicyCertificateProvider(nullptr);
   }
   device_network_configuration_updater_.reset();
 

chrome/browser/ash/policy/core/device_local_account_browsertest.cc

@@ -2163,7 +2163,7 @@ IN_PROC_BROWSER_TEST_F(DeviceLocalAccountWarnings, NoLoginWarningShown) {
 
 class ManagedSessionsTest : public DeviceLocalAccountTest {
  protected:
-  class CertsObserver : public chromeos::PolicyCertificateProvider::Observer {
+  class CertsObserver : public ash::PolicyCertificateProvider::Observer {
    public:
     explicit CertsObserver(base::OnceClosure on_change)
         : on_change_(std::move(on_change)) {}

chrome/browser/ash/policy/networking/network_policy_application_browsertest.cc

@@ -217,14 +217,14 @@ class ScopedNetworkPolicyApplicationObserver
 };
 
 class ScopedNetworkCertLoaderRefreshWaiter
-    : public chromeos::NetworkCertLoader::Observer {
+    : public ash::NetworkCertLoader::Observer {
  public:
   ScopedNetworkCertLoaderRefreshWaiter() {
-    chromeos::NetworkCertLoader::Get()->AddObserver(this);
+    ash::NetworkCertLoader::Get()->AddObserver(this);
   }
 
   ~ScopedNetworkCertLoaderRefreshWaiter() override {
-    chromeos::NetworkCertLoader::Get()->RemoveObserver(this);
+    ash::NetworkCertLoader::Get()->RemoveObserver(this);
   }
 
   void OnCertificatesLoaded() override { run_loop_.Quit(); }
@@ -339,8 +339,7 @@ class NetworkPolicyApplicationTest : public ash::LoginManagerTest {
                   const std::string& key_filename) {
     // Before importing, configure NetworkCertLoader to assume that all
     // certificates can be used for network authentication.
-    chromeos::NetworkCertLoader::Get()
-        ->ForceAvailableForNetworkAuthForTesting();
+    ash::NetworkCertLoader::Get()->ForceAvailableForNetworkAuthForTesting();
 
     net::ScopedCERTCertificate cert;
     // Import testing key pair and certificate.

chrome/browser/ash/policy/networking/policy_certs_browsertest.cc

@@ -119,7 +119,7 @@ const char kSigninScreenExtension2UpdateManifestPath[] =
 // Allows waiting until the list of policy-pushed web-trusted certificates
 // changes.
 class WebTrustedCertsChangedObserver
-    : public chromeos::PolicyCertificateProvider::Observer {
+    : public ash::PolicyCertificateProvider::Observer {
  public:
   WebTrustedCertsChangedObserver() = default;
 
@@ -128,7 +128,7 @@ class WebTrustedCertsChangedObserver
   WebTrustedCertsChangedObserver& operator=(
       const WebTrustedCertsChangedObserver&) = delete;
 
-  // chromeos::PolicyCertificateProvider::Observer
+  // ash::PolicyCertificateProvider::Observer
   void OnPolicyProvidedCertsChanged() override { run_loop_.Quit(); }
 
   void Wait() { run_loop_.Run(); }

chrome/browser/ash/smb_client/discovery/netbios_client.h

@@ -10,8 +10,6 @@
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/ash/smb_client/discovery/netbios_client_interface.h"
-// TODO(https://crbug.com/1164001): remove and use forward declaration.
-#include "chromeos/ash/components/network/firewall_hole.h"
 #include "mojo/public/cpp/bindings/receiver.h"
 #include "mojo/public/cpp/bindings/remote.h"
 #include "net/traffic_annotation/network_traffic_annotation.h"
@@ -28,6 +26,9 @@ class NetworkContext;
 }  // namespace network
 
 namespace ash {
+
+class FirewallHole;
+
 namespace smb_client {
 
 // NetBiosClient handles a NetBios Name Query Request.

chrome/browser/ash/tether/tether_service.cc

@@ -108,7 +108,7 @@ TetherService::TetherService(
       notification_presenter_(
           std::make_unique<chromeos::tether::TetherNotificationPresenter>(
               profile_,
-              chromeos::NetworkConnect::Get())),
+              NetworkConnect::Get())),
       gms_core_notifications_state_tracker_(
           std::make_unique<GmsCoreNotificationsStateTrackerImpl>()),
       tether_host_fetcher_(
@@ -156,7 +156,7 @@ void TetherService::StartTetherIfPossible() {
       gms_core_notifications_state_tracker_.get(), profile_->GetPrefs(),
       network_state_handler_,
       chromeos::NetworkHandler::Get()->managed_network_configuration_handler(),
-      chromeos::NetworkConnect::Get(),
+      NetworkConnect::Get(),
       chromeos::NetworkHandler::Get()->network_connection_handler(), adapter_,
       session_manager_);
 }

chrome/browser/ash/tether/tether_service_unittest.cc

@@ -155,7 +155,7 @@ class TestTetherComponentFactory final : public TetherComponentImpl::Factory {
       PrefService* pref_service,
       chromeos::NetworkStateHandler* network_state_handler,
       ManagedNetworkConfigurationHandler* managed_network_configuration_handler,
-      chromeos::NetworkConnect* network_connect,
+      NetworkConnect* network_connect,
       NetworkConnectionHandler* network_connection_handler,
       scoped_refptr<device::BluetoothAdapter> adapter,
       session_manager::SessionManager* session_manager) override {
@@ -297,7 +297,7 @@ class TetherServiceTest : public testing::Test {
     fake_notification_presenter_ = nullptr;
     mock_timer_ = nullptr;
 
-    chromeos::NetworkConnect::Initialize(nullptr);
+    NetworkConnect::Initialize(nullptr);
 
     TestingProfile::Builder builder;
     profile_ = builder.Build();
@@ -391,7 +391,7 @@ class TetherServiceTest : public testing::Test {
               shutdown_reason_verified_);
 
     chromeos::PowerManagerClient::Shutdown();
-    chromeos::NetworkConnect::Shutdown();
+    NetworkConnect::Shutdown();
   }
 
   void SetPrimaryUserLoggedIn() {

chrome/browser/certificate_manager_model.cc

@@ -304,7 +304,7 @@ class CertsSourcePlatformNSS : public CertificateManagerModel::CertsSource,
 #if BUILDFLAG(IS_CHROMEOS)
 // Provides certificates installed through enterprise policy.
 class CertsSourcePolicy : public CertificateManagerModel::CertsSource,
-                          chromeos::PolicyCertificateProvider::Observer {
+                          ash::PolicyCertificateProvider::Observer {
  public:
   // Defines which policy-provided certificates this CertsSourcePolicy instance
   // should yield.
@@ -318,7 +318,7 @@ class CertsSourcePolicy : public CertificateManagerModel::CertsSource,
   };
 
   CertsSourcePolicy(base::RepeatingClosure certs_source_updated_callback,
-                    chromeos::PolicyCertificateProvider* policy_certs_provider,
+                    ash::PolicyCertificateProvider* policy_certs_provider,
                     Mode mode)
       : CertsSource(certs_source_updated_callback),
         policy_certs_provider_(policy_certs_provider),
@@ -333,7 +333,7 @@ class CertsSourcePolicy : public CertificateManagerModel::CertsSource,
     policy_certs_provider_->RemovePolicyProvidedCertsObserver(this);
   }
 
-  // chromeos::PolicyCertificateProvider::Observer
+  // ash::PolicyCertificateProvider::Observer
   void OnPolicyProvidedCertsChanged() override {
     DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
     Refresh();
@@ -400,7 +400,7 @@ class CertsSourcePolicy : public CertificateManagerModel::CertsSource,
     SetCertInfos(std::move(cert_infos));
   }
 
-  raw_ptr<chromeos::PolicyCertificateProvider> policy_certs_provider_;
+  raw_ptr<ash::PolicyCertificateProvider> policy_certs_provider_;
   Mode mode_;
 };
 

chrome/browser/certificate_manager_model.h

@@ -24,10 +24,13 @@ class BrowserContext;
 }  // namespace content
 
 #if BUILDFLAG(IS_CHROMEOS)
+namespace ash {
+class PolicyCertificateProvider;
+}
+
 namespace chromeos {
 class CertificateProvider;
-class PolicyCertificateProvider;
-}  // namespace chromeos
+}
 #endif
 
 // CertificateManagerModel provides the data to be displayed in the certificate
@@ -126,8 +129,7 @@ class CertificateManagerModel {
   struct Params {
 #if BUILDFLAG(IS_CHROMEOS)
     // May be nullptr.
-    raw_ptr<chromeos::PolicyCertificateProvider> policy_certs_provider =
-        nullptr;
+    raw_ptr<ash::PolicyCertificateProvider> policy_certs_provider = nullptr;
     // May be nullptr.
     std::unique_ptr<chromeos::CertificateProvider>
         extension_certificate_provider;

chrome/browser/certificate_manager_model_unittest.cc

@@ -207,8 +207,7 @@ TEST_F(CertificateManagerModelTest, ListsClientCertsFromPlatform) {
 #if BUILDFLAG(IS_CHROMEOS)
 namespace {
 
-class FakePolicyCertificateProvider
-    : public chromeos::PolicyCertificateProvider {
+class FakePolicyCertificateProvider : public ash::PolicyCertificateProvider {
  public:
   void AddPolicyProvidedCertsObserver(Observer* observer) override {
     observer_list_.AddObserver(observer);

chrome/browser/extensions/api/networking_private/networking_private_ui_delegate_chromeos.cc

@@ -17,7 +17,7 @@ NetworkingPrivateUIDelegateChromeOS::~NetworkingPrivateUIDelegateChromeOS() {}
 
 void NetworkingPrivateUIDelegateChromeOS::ShowAccountDetails(
     const std::string& guid) const {
-  chromeos::NetworkConnect::Get()->ShowCarrierAccountDetail(guid);
+  ash::NetworkConnect::Get()->ShowCarrierAccountDetail(guid);
 }
 
 }  // namespace extensions

chrome/browser/nearby_sharing/firewall_hole/nearby_connections_firewall_hole.cc

@@ -7,7 +7,7 @@
 #include "chromeos/ash/components/network/firewall_hole.h"
 
 NearbyConnectionsFirewallHole::NearbyConnectionsFirewallHole(
-    std::unique_ptr<chromeos::FirewallHole> firewall_hole)
+    std::unique_ptr<ash::FirewallHole> firewall_hole)
     : firewall_hole_(std::move(firewall_hole)) {}
 
 NearbyConnectionsFirewallHole::~NearbyConnectionsFirewallHole() = default;

chrome/browser/nearby_sharing/firewall_hole/nearby_connections_firewall_hole.h

@@ -9,24 +9,24 @@
 
 #include "ash/services/nearby/public/mojom/firewall_hole.mojom.h"
 
-namespace chromeos {
+namespace ash {
 class FirewallHole;
-}  // namespace chromeos
+}
 
 // An implementation of the mojo interface representing a firewall hole for
 // Nearby Connections WifiLan TCP sockets. This implementation is essentially a
-// wrapper around a chromeos::FirewallHole.
+// wrapper around a ash::FirewallHole.
 class NearbyConnectionsFirewallHole : public sharing::mojom::FirewallHole {
  public:
   explicit NearbyConnectionsFirewallHole(
-      std::unique_ptr<chromeos::FirewallHole> firewall_hole);
+      std::unique_ptr<ash::FirewallHole> firewall_hole);
   NearbyConnectionsFirewallHole(const NearbyConnectionsFirewallHole&) = delete;
   NearbyConnectionsFirewallHole& operator=(
       const NearbyConnectionsFirewallHole&) = delete;
   ~NearbyConnectionsFirewallHole() override;
 
  private:
-  std::unique_ptr<chromeos::FirewallHole> firewall_hole_;
+  std::unique_ptr<ash::FirewallHole> firewall_hole_;
 };
 
 #endif  // CHROME_BROWSER_NEARBY_SHARING_FIREWALL_HOLE_NEARBY_CONNECTIONS_FIREWALL_HOLE_H_

chrome/browser/nearby_sharing/firewall_hole/nearby_connections_firewall_hole_factory.cc

@@ -23,8 +23,8 @@ NearbyConnectionsFirewallHoleFactory::~NearbyConnectionsFirewallHoleFactory() =
 void NearbyConnectionsFirewallHoleFactory::OpenFirewallHole(
     const ash::nearby::TcpServerSocketPort& port,
     OpenFirewallHoleCallback callback) {
-  chromeos::FirewallHole::Open(
-      chromeos::FirewallHole::PortType::TCP, port.port(),
+  ash::FirewallHole::Open(
+      ash::FirewallHole::PortType::TCP, port.port(),
       /*interface=*/std::string(),
       base::BindOnce(
           &NearbyConnectionsFirewallHoleFactory::OnFirewallHoleOpened,
@@ -34,7 +34,7 @@ void NearbyConnectionsFirewallHoleFactory::OpenFirewallHole(
 void NearbyConnectionsFirewallHoleFactory::OnFirewallHoleOpened(
     const ash::nearby::TcpServerSocketPort& port,
     OpenFirewallHoleCallback callback,
-    std::unique_ptr<chromeos::FirewallHole> firewall_hole) {
+    std::unique_ptr<ash::FirewallHole> firewall_hole) {
   if (!firewall_hole) {
     LOG(ERROR) << "NearbyConnectionsFirewallHoleFactory::" << __func__
                << ": Failed to open TCP firewall hole on port " << port.port();

chrome/browser/nearby_sharing/firewall_hole/nearby_connections_firewall_hole_factory.h

@@ -12,18 +12,15 @@
 #include "mojo/public/cpp/bindings/unique_receiver_set.h"
 
 namespace ash {
+class FirewallHole;
 namespace nearby {
 class TcpServerSocketPort;
 }  // namespace nearby
 }  // namespace ash
 
-namespace chromeos {
-class FirewallHole;
-}  // namespace chromeos
-
 // An implementation of the mojo service used to open firewall holes for Nearby
 // Connections WifiLan TCP sockets. This implementation is essentially a wrapper
-// around chromeos::FirewallHole::Open(). The lifetime of a firewall hole
+// around ash::FirewallHole::Open(). The lifetime of a firewall hole
 // mirrors the lifetime of the mojo remote provided by OpenFirewallHole(); the
 // corresponding mojo receivers are owned by |firewall_hole_receivers_|.
 class NearbyConnectionsFirewallHoleFactory
@@ -40,10 +37,9 @@ class NearbyConnectionsFirewallHoleFactory
                         OpenFirewallHoleCallback callback) override;
 
  private:
-  void OnFirewallHoleOpened(
-      const ash::nearby::TcpServerSocketPort& port,
-      OpenFirewallHoleCallback callback,
-      std::unique_ptr<chromeos::FirewallHole> firewall_hole);
+  void OnFirewallHoleOpened(const ash::nearby::TcpServerSocketPort& port,
+                            OpenFirewallHoleCallback callback,
+                            std::unique_ptr<ash::FirewallHole> firewall_hole);
 
   mojo::UniqueReceiverSet<sharing::mojom::FirewallHole>
       firewall_hole_receivers_;

chrome/browser/net/proxy_service_factory.cc

@@ -46,7 +46,7 @@ ProxyServiceFactory::CreateProxyConfigService(PrefProxyConfigTracker* tracker,
         std::make_unique<chromeos::ProxyConfigServiceLacros>(profile);
   }
 #elif !BUILDFLAG(IS_CHROMEOS_ASH)
-  // On Ash-Chrome, base service is NULL; chromeos::ProxyConfigServiceImpl
+  // On Ash-Chrome, base service is NULL; ash::ProxyConfigServiceImpl
   // determines the effective proxy config to take effect in the network layer,
   // be it from prefs or system (which is network shill on chromeos).
 
@@ -67,7 +67,7 @@ ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
     PrefService* profile_prefs,
     PrefService* local_state_prefs) {
 #if BUILDFLAG(IS_CHROMEOS_ASH)
-  return std::make_unique<chromeos::ProxyConfigServiceImpl>(
+  return std::make_unique<ash::ProxyConfigServiceImpl>(
       profile_prefs, local_state_prefs, nullptr);
 #else
   return std::make_unique<PrefProxyConfigTrackerImpl>(profile_prefs, nullptr);
@@ -79,7 +79,7 @@ std::unique_ptr<PrefProxyConfigTracker>
 ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
     PrefService* local_state_prefs) {
 #if BUILDFLAG(IS_CHROMEOS_ASH)
-  return std::make_unique<chromeos::ProxyConfigServiceImpl>(
+  return std::make_unique<ash::ProxyConfigServiceImpl>(
       nullptr, local_state_prefs, nullptr);
 #else
   return std::make_unique<PrefProxyConfigTrackerImpl>(local_state_prefs,

chrome/browser/policy/networking/network_configuration_updater.cc

@@ -81,12 +81,12 @@ void NetworkConfigurationUpdater::OnPolicyServiceInitialized(
 }
 
 void NetworkConfigurationUpdater::AddPolicyProvidedCertsObserver(
-    chromeos::PolicyCertificateProvider::Observer* observer) {
+    ash::PolicyCertificateProvider::Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void NetworkConfigurationUpdater::RemovePolicyProvidedCertsObserver(
-    chromeos::PolicyCertificateProvider::Observer* observer) {
+    ash::PolicyCertificateProvider::Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }
 

chrome/browser/policy/networking/network_configuration_updater.h

@@ -34,7 +34,7 @@ class PolicyMap;
 // (that will be propagated to the network service). Provides entry points for
 // handling client certificates and network configurations in subclasses.
 // Does not handle proxy settings.
-class NetworkConfigurationUpdater : public chromeos::PolicyCertificateProvider,
+class NetworkConfigurationUpdater : public ash::PolicyCertificateProvider,
                                     public PolicyService::Observer {
  public:
   NetworkConfigurationUpdater(const NetworkConfigurationUpdater&) = delete;
@@ -51,11 +51,11 @@ class NetworkConfigurationUpdater : public chromeos::PolicyCertificateProvider,
 
   // The observer interface sends notifications about changes in server and
   // authority certificates.
-  // chromeos::PolicyCertificateProvider:
+  // ash::PolicyCertificateProvider:
   void AddPolicyProvidedCertsObserver(
-      chromeos::PolicyCertificateProvider::Observer* observer) override;
+      ash::PolicyCertificateProvider::Observer* observer) override;
   void RemovePolicyProvidedCertsObserver(
-      chromeos::PolicyCertificateProvider::Observer* observer) override;
+      ash::PolicyCertificateProvider::Observer* observer) override;
   net::CertificateList GetAllServerAndAuthorityCertificates(
       const chromeos::onc::CertificateScope& scope) const override;
   net::CertificateList GetAllAuthorityCertificates(
@@ -149,8 +149,8 @@ class NetworkConfigurationUpdater : public chromeos::PolicyCertificateProvider,
 
   // Observer list for notifying about ONC-provided server and CA certificate
   // changes.
-  base::ObserverList<chromeos::PolicyCertificateProvider::Observer,
-                     true>::Unchecked observer_list_;
+  base::ObserverList<ash::PolicyCertificateProvider::Observer, true>::Unchecked
+      observer_list_;
 };
 
 }  // namespace policy

chrome/browser/policy/networking/network_configuration_updater_ash_unittest.cc

@@ -88,7 +88,7 @@ class FakeUser : public user_manager::User {
 };
 
 class MockPolicyProvidedCertsObserver
-    : public chromeos::PolicyCertificateProvider::Observer {
+    : public ash::PolicyCertificateProvider::Observer {
  public:
   MockPolicyProvidedCertsObserver() = default;
 

chrome/browser/policy/networking/network_configuration_updater_unittest.cc

@@ -37,7 +37,7 @@ namespace policy {
 namespace {
 
 class MockPolicyProvidedCertsObserver
-    : public chromeos::PolicyCertificateProvider::Observer {
+    : public ash::PolicyCertificateProvider::Observer {
  public:
   MockPolicyProvidedCertsObserver() = default;
 

chrome/browser/policy/networking/policy_cert_service.cc

@@ -36,7 +36,7 @@ PolicyCertService::~PolicyCertService() {
 
 PolicyCertService::PolicyCertService(
     Profile* profile,
-    chromeos::PolicyCertificateProvider* policy_certificate_provider,
+    ash::PolicyCertificateProvider* policy_certificate_provider,
     bool may_use_profile_wide_trust_anchors)
     : profile_(profile),
       policy_certificate_provider_(policy_certificate_provider),

chrome/browser/policy/networking/policy_cert_service.h

@@ -38,17 +38,16 @@ namespace policy {
 // This service / its factory keep track of which Profile has used a
 // policy-provided trust anchor.
 class PolicyCertService : public KeyedService,
-                          public chromeos::PolicyCertificateProvider::Observer {
+                          public ash::PolicyCertificateProvider::Observer {
  public:
   // Constructs a PolicyCertService for |profile| using
   // |policy_certificate_provider| as the source of certificates.
   // If |may_use_profile_wide_trust_anchors| is true, certificates from
   // |policy_certificate_provider| that have requested "Web" trust and have
   // profile-wide scope will be used for |profile|.
-  PolicyCertService(
-      Profile* profile,
-      chromeos::PolicyCertificateProvider* policy_certificate_provider,
-      bool may_use_profile_wide_trust_anchors);
+  PolicyCertService(Profile* profile,
+                    ash::PolicyCertificateProvider* policy_certificate_provider,
+                    bool may_use_profile_wide_trust_anchors);
 
   PolicyCertService(const PolicyCertService&) = delete;
   PolicyCertService& operator=(const PolicyCertService&) = delete;
@@ -104,8 +103,7 @@ class PolicyCertService : public KeyedService,
   const raw_ptr<Profile> profile_;
 
   // The source of certificates for this PolicyCertService.
-  const raw_ptr<chromeos::PolicyCertificateProvider>
-      policy_certificate_provider_;
+  const raw_ptr<ash::PolicyCertificateProvider> policy_certificate_provider_;
 
   // If true, CA certificates |policy_certificate_provider_| that have requested
   // "Web" trust and have profile-wide scope may be used for |profile_|.

chrome/browser/policy/networking/policy_cert_service_factory.cc

@@ -33,8 +33,7 @@ namespace {
 // Returns the PolicyCertificateProvider that should be used for |profile|.
 // May return nullptr, which should be treated as no policy-provided
 // certificates set.
-chromeos::PolicyCertificateProvider* GetPolicyCertificateProvider(
-    Profile* profile) {
+ash::PolicyCertificateProvider* GetPolicyCertificateProvider(Profile* profile) {
   if (ash::ProfileHelper::Get()->IsSigninProfile(profile)) {
     return g_browser_process->platform_part()
         ->browser_policy_connector_ash()
@@ -47,7 +46,7 @@ chromeos::PolicyCertificateProvider* GetPolicyCertificateProvider(
 KeyedService* BuildServiceInstanceAsh(content::BrowserContext* context) {
   Profile* profile = Profile::FromBrowserContext(context);
 
-  chromeos::PolicyCertificateProvider* policy_certificate_provider =
+  ash::PolicyCertificateProvider* policy_certificate_provider =
       GetPolicyCertificateProvider(profile);
   if (!policy_certificate_provider)
     return nullptr;
@@ -87,7 +86,7 @@ KeyedService* BuildServiceInstanceAsh(content::BrowserContext* context) {
 KeyedService* BuildServiceInstanceLacros(content::BrowserContext* context) {
   Profile* profile = Profile::FromBrowserContext(context);
 
-  chromeos::PolicyCertificateProvider* policy_certificate_provider =
+  ash::PolicyCertificateProvider* policy_certificate_provider =
       UserNetworkConfigurationUpdaterFactory::GetForBrowserContext(profile);
   if (!policy_certificate_provider)
     return nullptr;

chrome/browser/policy/networking/user_network_configuration_updater_ash.cc

@@ -49,9 +49,8 @@ void GetNssCertDatabaseOnIOThread(
 
 UserNetworkConfigurationUpdaterAsh::~UserNetworkConfigurationUpdaterAsh() {
   // NetworkCertLoader may be not initialized in tests.
-  if (chromeos::NetworkCertLoader::IsInitialized()) {
-    chromeos::NetworkCertLoader::Get()->SetUserPolicyCertificateProvider(
-        nullptr);
+  if (ash::NetworkCertLoader::IsInitialized()) {
+    ash::NetworkCertLoader::Get()->SetUserPolicyCertificateProvider(nullptr);
   }
 }
 
@@ -126,8 +125,8 @@ UserNetworkConfigurationUpdaterAsh::UserNetworkConfigurationUpdaterAsh(
   // primary profile. This assumes that a |UserNetworkConfigurationUpdaterAsh|
   // is only created for the primary profile. NetworkCertLoader may be not
   // initialized in tests.
-  if (chromeos::NetworkCertLoader::IsInitialized())
-    chromeos::NetworkCertLoader::Get()->SetUserPolicyCertificateProvider(this);
+  if (ash::NetworkCertLoader::IsInitialized())
+    ash::NetworkCertLoader::Get()->SetUserPolicyCertificateProvider(this);
 
   // Set profile-wide expansions for policy networks (i.e. those that apply to
   // all networks in this profile). Note that this does currently not apply

chrome/browser/policy/test/policy_certs_browsertest.cc

@@ -79,7 +79,7 @@ constexpr char kRootCaCert[] = "root_ca_cert.pem";
 // Allows waiting until the list of policy-pushed web-trusted certificates
 // changes.
 class WebTrustedCertsChangedObserver
-    : public chromeos::PolicyCertificateProvider::Observer {
+    : public ash::PolicyCertificateProvider::Observer {
  public:
   WebTrustedCertsChangedObserver() = default;
 
@@ -88,7 +88,7 @@ class WebTrustedCertsChangedObserver
   WebTrustedCertsChangedObserver& operator=(
       const WebTrustedCertsChangedObserver&) = delete;
 
-  // chromeos::PolicyCertificateProvider::Observer
+  // ash::PolicyCertificateProvider::Observer
   void OnPolicyProvidedCertsChanged() override { run_loop_.Quit(); }
 
   void Wait() { run_loop_.Run(); }
@@ -98,11 +98,10 @@ class WebTrustedCertsChangedObserver
 };
 
 // Allows waiting until |NetworkCertLoader| updates its list of certificates.
-class NetworkCertLoaderTestObserver
-    : public chromeos::NetworkCertLoader::Observer {
+class NetworkCertLoaderTestObserver : public ash::NetworkCertLoader::Observer {
  public:
   explicit NetworkCertLoaderTestObserver(
-      chromeos::NetworkCertLoader* network_cert_loader)
+      ash::NetworkCertLoader* network_cert_loader)
       : network_cert_loader_(network_cert_loader) {
     network_cert_loader_->AddObserver(this);
   }
@@ -115,13 +114,13 @@ class NetworkCertLoaderTestObserver
     network_cert_loader_->RemoveObserver(this);
   }
 
-  // chromeos::NetworkCertLoader::Observer
+  // ash::NetworkCertLoader::Observer
   void OnCertificatesLoaded() override { run_loop_.Quit(); }
 
   void Wait() { run_loop_.Run(); }
 
  private:
-  raw_ptr<chromeos::NetworkCertLoader> network_cert_loader_;
+  raw_ptr<ash::NetworkCertLoader> network_cert_loader_;
   base::RunLoop run_loop_;
 };
 
@@ -540,7 +539,7 @@ IN_PROC_BROWSER_TEST_F(PolicyProvidedCertsRegularUserTest,
 
 bool IsCertInCertificateList(
     const net::X509Certificate* cert,
-    const chromeos::NetworkCertLoader::NetworkCertList& network_cert_list) {
+    const ash::NetworkCertLoader::NetworkCertList& network_cert_list) {
   for (const auto& network_cert : network_cert_list) {
     if (net::x509_util::IsSameCertificate(network_cert.cert(), cert))
       return true;
@@ -554,14 +553,14 @@ IN_PROC_BROWSER_TEST_F(PolicyProvidedCertsRegularUserTest,
   // properly initialized because |UserSessionManager| only sets the primary
   // user's NSS Database in |NetworkCertLoader| if running on ChromeOS according
   // to |base::SysInfo|.
-  ASSERT_TRUE(chromeos::NetworkCertLoader::IsInitialized());
-  chromeos::NetworkCertLoader::Get()->SetUserNSSDB(test_nss_cert_db_.get());
+  ASSERT_TRUE(ash::NetworkCertLoader::IsInitialized());
+  ash::NetworkCertLoader::Get()->SetUserNSSDB(test_nss_cert_db_.get());
 
   EXPECT_FALSE(IsCertInCertificateList(
       user_policy_certs_helper_.root_cert().get(),
-      chromeos::NetworkCertLoader::Get()->authority_certs()));
+      ash::NetworkCertLoader::Get()->authority_certs()));
   NetworkCertLoaderTestObserver network_cert_loader_observer(
-      chromeos::NetworkCertLoader::Get());
+      ash::NetworkCertLoader::Get());
   user_policy_certs_helper_.SetRootCertONCUserPolicy(
       multi_profile_policy_helper_.profile_1(),
       multi_profile_policy_helper_.policy_for_profile_1());
@@ -572,7 +571,7 @@ IN_PROC_BROWSER_TEST_F(PolicyProvidedCertsRegularUserTest,
   // set a policy with a certificate requesting Web Trust here).
   EXPECT_TRUE(IsCertInCertificateList(
       user_policy_certs_helper_.root_cert().get(),
-      chromeos::NetworkCertLoader::Get()->authority_certs()));
+      ash::NetworkCertLoader::Get()->authority_certs()));
 }
 
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)

chrome/browser/ui/ash/chrome_browser_main_extra_parts_ash.cc

@@ -141,7 +141,7 @@ void ChromeBrowserMainExtraPartsAsh::PreProfileInit() {
   // NetworkConnect handles the network connection state machine for the UI.
   network_connect_delegate_ =
       std::make_unique<NetworkConnectDelegateChromeOS>();
-  chromeos::NetworkConnect::Initialize(network_connect_delegate_.get());
+  ash::NetworkConnect::Initialize(network_connect_delegate_.get());
 
   cast_config_controller_media_router_ =
       std::make_unique<CastConfigControllerMediaRouter>();
@@ -367,8 +367,8 @@ void ChromeBrowserMainExtraPartsAsh::PostMainMessageLoopRun() {
   ambient_client_.reset();
 
   cast_config_controller_media_router_.reset();
-  if (chromeos::NetworkConnect::IsInitialized())
-    chromeos::NetworkConnect::Shutdown();
+  if (ash::NetworkConnect::IsInitialized())
+    ash::NetworkConnect::Shutdown();
   network_connect_delegate_.reset();
   user_profile_loaded_observer_.reset();
 }

chrome/browser/ui/ash/network/mobile_data_notifications_unittest.cc

@@ -41,7 +41,7 @@ const char kCellularGuid[] = "cellular1_guid";
 const char kNotificationId[] = "chrome://settings/internet/mobile_data";
 const char kTestUserName[] = "test-user@example.com";
 
-class NetworkConnectTestDelegate : public chromeos::NetworkConnect::Delegate {
+class NetworkConnectTestDelegate : public ash::NetworkConnect::Delegate {
  public:
   NetworkConnectTestDelegate() {}
 
@@ -82,13 +82,13 @@ class MobileDataNotificationsTest : public testing::Test {
     SetupNetworkShillState();
     base::RunLoop().RunUntilIdle();
     network_connect_delegate_ = std::make_unique<NetworkConnectTestDelegate>();
-    chromeos::NetworkConnect::Initialize(network_connect_delegate_.get());
+    ash::NetworkConnect::Initialize(network_connect_delegate_.get());
     mobile_data_notifications_ = std::make_unique<MobileDataNotifications>();
   }
 
   void TearDown() override {
     mobile_data_notifications_.reset();
-    chromeos::NetworkConnect::Shutdown();
+    ash::NetworkConnect::Shutdown();
     network_connect_delegate_.reset();
     profile_manager_.reset();
     user_manager_enabler_.reset();
@@ -180,7 +180,7 @@ TEST_F(MobileDataNotificationsTest, SimpleSetup) {
 TEST_F(MobileDataNotificationsTest, NotificationAlreadyShown) {
   pref_service()->SetBoolean(prefs::kShowMobileDataNotification, false);
 
-  chromeos::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
+  ash::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
   // Wait for async ConnectToNetworkId to take effect.
   base::RunLoop().RunUntilIdle();
 
@@ -191,7 +191,7 @@ TEST_F(MobileDataNotificationsTest, NotificationAlreadyShown) {
 TEST_F(MobileDataNotificationsTest, DisplayNotification) {
   pref_service()->SetBoolean(prefs::kShowMobileDataNotification, true);
 
-  chromeos::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
+  ash::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
   // Wait for async ConnectToNetworkId to take effect.
   base::RunLoop().RunUntilIdle();
 
@@ -202,7 +202,7 @@ TEST_F(MobileDataNotificationsTest, DisplayNotification) {
 TEST_F(MobileDataNotificationsTest, TogglesPref) {
   pref_service()->SetBoolean(prefs::kShowMobileDataNotification, true);
 
-  chromeos::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
+  ash::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
   // Wait for async ConnectToNetworkId to take effect.
   base::RunLoop().RunUntilIdle();
 
@@ -213,7 +213,7 @@ TEST_F(MobileDataNotificationsTest, TogglesPref) {
 // connected.
 TEST_F(MobileDataNotificationsTest, SessionUpdateDisplayNotification) {
   // Set up cellular network, don't trigger notification.
-  chromeos::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
+  ash::NetworkConnect::Get()->ConnectToNetworkId(kCellularGuid);
   pref_service()->SetBoolean(prefs::kShowMobileDataNotification, false);
   // Process network observer update.
   base::RunLoop().RunUntilIdle();

chrome/browser/ui/ash/network/network_connect_delegate_chromeos.h

@@ -18,8 +18,7 @@ namespace chromeos {
 class NetworkStateNotifier;
 }
 
-class NetworkConnectDelegateChromeOS
-    : public chromeos::NetworkConnect::Delegate {
+class NetworkConnectDelegateChromeOS : public ash::NetworkConnect::Delegate {
  public:
   NetworkConnectDelegateChromeOS();
 

chrome/browser/ui/ash/network/network_state_notifier.cc

@@ -642,7 +642,7 @@ void NetworkStateNotifier::ShowSimUnlockSettings() {
 
 void NetworkStateNotifier::ShowCarrierAccountDetail(
     const std::string& network_id) {
-  NetworkConnect::Get()->ShowCarrierAccountDetail(network_id);
+  ash::NetworkConnect::Get()->ShowCarrierAccountDetail(network_id);
 }
 
 }  // namespace chromeos

chrome/browser/ui/ash/network/tether_notification_presenter.cc

@@ -120,7 +120,7 @@ constexpr const char* const
 
 TetherNotificationPresenter::TetherNotificationPresenter(
     Profile* profile,
-    NetworkConnect* network_connect)
+    ash::NetworkConnect* network_connect)
     : profile_(profile),
       network_connect_(network_connect),
       settings_ui_delegate_(base::WrapUnique(new SettingsUiDelegateImpl())) {}

chrome/browser/ui/ash/network/tether_notification_presenter.h

@@ -18,15 +18,15 @@
 
 class Profile;
 
+namespace ash {
+class NetworkConnect;
+}
+
 namespace message_center {
 class Notification;
 }  // namespace message_center
 
-namespace chromeos {
-
-class NetworkConnect;
-
-namespace tether {
+namespace chromeos::tether {
 
 // Produces notifications associated with CrOS tether network events and alerts
 // observers about interactions with those notifications.
@@ -35,7 +35,7 @@ class TetherNotificationPresenter : public NotificationPresenter {
   // Caller must ensure that |profile| and |network_connect| outlive this
   // instance.
   TetherNotificationPresenter(Profile* profile,
-                              NetworkConnect* network_connect);
+                              ash::NetworkConnect* network_connect);
 
   TetherNotificationPresenter(const TetherNotificationPresenter&) = delete;
   TetherNotificationPresenter& operator=(const TetherNotificationPresenter&) =
@@ -111,7 +111,7 @@ class TetherNotificationPresenter : public NotificationPresenter {
   void RemoveNotificationIfVisible(const std::string& notification_id);
 
   Profile* profile_;
-  NetworkConnect* network_connect_;
+  ash::NetworkConnect* network_connect_;
 
   // The ID of the currently showing notification.
   std::string showing_notification_id_;
@@ -125,8 +125,6 @@ class TetherNotificationPresenter : public NotificationPresenter {
   base::WeakPtrFactory<TetherNotificationPresenter> weak_ptr_factory_{this};
 };
 
-}  // namespace tether
-
-}  // namespace chromeos
+}  // namespace chromeos::tether
 
 #endif  // CHROME_BROWSER_UI_ASH_NETWORK_TETHER_NOTIFICATION_PRESENTER_H_

chromeos/ash/components/network/cellular_esim_profile.cc

@@ -7,7 +7,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "dbus/object_path.h"
 
-namespace chromeos {
+namespace ash {
 namespace {
 
 // Keys used by ToDictionaryValue() and FromDictionaryValue().
@@ -116,4 +116,4 @@ bool CellularESimProfile::operator!=(const CellularESimProfile& other) const {
   return !(*this == other);
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/cellular_esim_profile.h

@@ -12,7 +12,7 @@
 #include "dbus/object_path.h"
 #include "third_party/abseil-cpp/absl/types/optional.h"
 
-namespace chromeos {
+namespace ash {
 
 // Metadata representing an eSIM profile.
 class COMPONENT_EXPORT(CHROMEOS_NETWORK) CellularESimProfile {
@@ -92,11 +92,6 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) CellularESimProfile {
   std::string activation_code_;
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove after the migration is finished.
-namespace ash {
-using ::chromeos::CellularESimProfile;
-}
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_CELLULAR_ESIM_PROFILE_H_

chromeos/ash/components/network/cellular_esim_profile_unittest.cc

@@ -10,7 +10,7 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/abseil-cpp/absl/types/optional.h"
 
-namespace chromeos {
+namespace ash {
 
 TEST(CellularESimProfileTest, ConvertToAndFromDictionary) {
   CellularESimProfile profile(CellularESimProfile::State::kPending,
@@ -48,4 +48,4 @@ TEST(CellularESimProfileTest, InvalidDictionary) {
   EXPECT_FALSE(from_dictionary);
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/cellular_utils.h

@@ -8,8 +8,6 @@
 #include <vector>
 
 #include "base/component_export.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/cellular_esim_profile.h"
 #include "chromeos/ash/components/network/device_state.h"
 
 namespace dbus {
@@ -18,6 +16,8 @@ class ObjectPath;
 
 namespace ash {
 
+class CellularESimProfile;
+
 // Generates a list of CellularESimProfile objects for all Hermes esim profile
 // objects available through its dbus clients. Note that this function returns
 // an empty array if CellularESimProfileHandler::RefreshProfileList has not

chromeos/ash/components/network/certificate_helper.cc

@@ -16,8 +16,7 @@
 #include "net/cert/nss_cert_database_chromeos.h"
 #include "net/cert/x509_util_nss.h"
 
-namespace chromeos {
-namespace certificate {
+namespace ash::certificate {
 
 namespace {
 
@@ -93,5 +92,4 @@ std::string GetCertAsciiNameOrNickname(CERTCertificate* cert_handle) {
   return Stringize(CERT_GetCommonName(&cert_handle->subject), alternative_text);
 }
 
-}  // namespace certificate
-}  // namespace chromeos
+}  // namespace ash::certificate

chromeos/ash/components/network/certificate_helper.h

@@ -11,8 +11,7 @@
 #include "base/component_export.h"
 #include "net/cert/cert_type.h"
 
-namespace chromeos {
-namespace certificate {
+namespace ash::certificate {
 
 // Selected functions from chrome/common/net/x509_certificate_model.cc
 
@@ -50,12 +49,6 @@ std::string GetCertAsciiSubjectCommonName(CERTCertificate* cert_handle);
 COMPONENT_EXPORT(CHROMEOS_NETWORK)
 std::string GetCertAsciiNameOrNickname(CERTCertificate* cert_handle);
 
-}  // namespace certificate
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove when it moved to ash.
-namespace ash {
-namespace certificate = ::chromeos::certificate;
-}
+}  // namespace ash::certificate
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_CERTIFICATE_HELPER_H_

chromeos/ash/components/network/certificate_helper_unittest.cc

@@ -11,7 +11,7 @@
 #include "net/test/test_with_task_environment.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 
 // Required to register an observer from the constructor of
 // net::NSSCertDatabase.
@@ -89,4 +89,4 @@ TEST_F(CertificateHelperTest, GetTypeServer) {
   EXPECT_EQ(net::SERVER_CERT, certificate::GetCertType(cert.get()));
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/firewall_hole.cc

@@ -17,7 +17,7 @@
 #include "base/threading/thread_task_runner_handle.h"
 #include "chromeos/dbus/permission_broker/permission_broker_client.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -121,4 +121,4 @@ FirewallHole::FirewallHole(PortType type,
       interface_(interface),
       lifeline_fd_(std::move(lifeline_fd)) {}
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/firewall_hole.h

@@ -14,7 +14,7 @@
 #include "base/component_export.h"
 #include "base/files/scoped_file.h"
 
-namespace chromeos {
+namespace ash {
 
 // This class works with the Chrome OS permission broker to open a port in the
 // system firewall. It is closed on destruction.
@@ -58,11 +58,6 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) FirewallHole {
   base::ScopedFD lifeline_fd_;
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove when moved to ash.
-namespace ash {
-using ::chromeos::FirewallHole;
 }  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_FIREWALL_HOLE_H_

chromeos/ash/components/network/firewall_hole_unittest.cc

@@ -14,9 +14,11 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 namespace {
 
+using ::chromeos::FakePermissionBrokerClient;
+
 void CopyFirewallHole(base::RunLoop* run_loop,
                       std::unique_ptr<FirewallHole>* out_hole,
                       std::unique_ptr<FirewallHole> hole) {
@@ -86,4 +88,4 @@ TEST_F(FirewallHoleTest, DenyUdpPortAccess) {
 }
 
 }  // namespace
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/managed_network_configuration_handler.h

@@ -14,8 +14,6 @@
 #include "chromeos/ash/components/network/client_cert_util.h"
 #include "chromeos/ash/components/network/network_handler.h"
 #include "chromeos/ash/components/network/network_handler_callbacks.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_profile.h"
 #include "components/onc/onc_constants.h"
 
 namespace base {
@@ -27,6 +25,7 @@ namespace ash {
 class NetworkConfigurationHandler;
 class NetworkDeviceHandler;
 class NetworkPolicyObserver;
+struct NetworkProfile;
 class NetworkProfileHandler;
 class NetworkStateHandler;
 

chromeos/ash/components/network/managed_network_configuration_handler_impl.h

@@ -17,8 +17,6 @@
 #include "chromeos/ash/components/network/client_cert_util.h"
 #include "chromeos/ash/components/network/managed_network_configuration_handler.h"
 #include "chromeos/ash/components/network/network_handler_callbacks.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_profile.h"
 #include "chromeos/ash/components/network/network_profile_observer.h"
 #include "chromeos/ash/components/network/policy_applicator.h"
 #include "chromeos/ash/components/network/profile_policies.h"
@@ -32,6 +30,7 @@ namespace ash {
 class CellularPolicyHandler;
 class ManagedCellularPrefHandler;
 class NetworkConfigurationHandler;
+struct NetworkProfile;
 class NetworkProfileHandler;
 class NetworkStateHandler;
 

chromeos/ash/components/network/network_cert_loader.cc

@@ -28,7 +28,7 @@
 #include "net/cert/nss_cert_database_chromeos.h"
 #include "net/cert/x509_util_nss.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -591,4 +591,4 @@ void NetworkCertLoader::OnPolicyProvidedCertsChanged() {
   UpdateCertificates();
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_cert_loader.h

@@ -22,7 +22,7 @@ namespace net {
 class NSSCertDatabase;
 }
 
-namespace chromeos {
+namespace ash {
 
 // This class is responsible for loading certificates once the TPM is
 // initialized. It is expected to be constructed on the UI thread and public
@@ -276,12 +276,11 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) NetworkCertLoader
   base::WeakPtrFactory<NetworkCertLoader> weak_factory_{this};
 };
 
-}  // namespace chromeos
+}  // namespace ash
 
-// TODO(https://crbug.com/1164001): remove after the //chrome/browser/chromeos
-// source migration is finished.
-namespace ash {
-using ::chromeos::NetworkCertLoader;
+// TODO(https://crbug.com/1164001): remove when the migration is finished.
+namespace chromeos {
+using ::ash::NetworkCertLoader;
 }
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_NETWORK_CERT_LOADER_H_

chromeos/ash/components/network/network_cert_loader_unittest.cc

@@ -24,7 +24,7 @@
 #include "net/test/test_data_directory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 namespace {
 
 class FakePolicyCertificateProvider : public PolicyCertificateProvider {
@@ -873,4 +873,4 @@ TEST_F(NetworkCertLoaderTest, NoUpdateWhenShuttingDown) {
   ASSERT_EQ(0U, GetAndResetCertificatesLoadedEventsCount());
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_connect.cc

@@ -25,7 +25,7 @@
 #include "chromeos/login/login_state/login_state.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -554,4 +554,4 @@ NetworkConnect::NetworkConnect() = default;
 
 NetworkConnect::~NetworkConnect() = default;
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_connect.h

@@ -8,14 +8,14 @@
 #include <string>
 
 #include "base/component_export.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_type_pattern.h"
 
 namespace base {
 class Value;
 }
 
-namespace chromeos {
+namespace ash {
+
+class NetworkTypePattern;
 
 // NetworkConnect is a state machine designed to handle the complex UI flows
 // associated with connecting to a network (and related tasks). Any showing
@@ -81,9 +81,8 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) NetworkConnect {
   // Enables or disables a network technology. If |technology| refers to
   // cellular and the device cannot be enabled due to a SIM lock, this function
   // will launch the SIM unlock dialog.
-  virtual void SetTechnologyEnabled(
-      const chromeos::NetworkTypePattern& technology,
-      bool enabled_state) = 0;
+  virtual void SetTechnologyEnabled(const NetworkTypePattern& technology,
+                                    bool enabled_state) = 0;
 
   // Determines whether or not a network requires a connection to activate or
   // setup and either shows a notification or opens the mobile setup dialog.
@@ -115,11 +114,11 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) NetworkConnect {
   NetworkConnect();
 };
 
-}  // namespace chromeos
+}  // namespace ash
 
-// TODO(https://crbug.com/1164001): remove when moved to ash
-namespace ash {
-using ::chromeos::NetworkConnect;
+// TODO(https://crbug.com/1164001): remove when the migration is finished.
+namespace chromeos {
+using ::ash::NetworkConnect;
 }
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_NETWORK_CONNECT_H_

chromeos/ash/components/network/network_connect_unittest.cc

@@ -29,7 +29,7 @@ using testing::AnyNumber;
 using testing::NiceMock;
 using testing::Return;
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -339,4 +339,4 @@ TEST_F(NetworkConnectTest, ConnectToCellularNetwork_SimLocked) {
   base::RunLoop().RunUntilIdle();
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_ip_config.cc

@@ -6,7 +6,7 @@
 
 #include "base/notreached.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 #define ENUM_CASE(x) case x: return std::string(#x)
@@ -50,4 +50,4 @@ std::string NetworkIPConfig::ToString() const {
       + " name_servers: " + name_servers;
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_ip_config.h

@@ -11,7 +11,7 @@
 #include "base/callback.h"
 #include "base/component_export.h"
 
-namespace chromeos {
+namespace ash {
 
 // ipconfig types (see flimflam/files/doc/ipconfig-api.txt)
 enum IPConfigType {
@@ -44,6 +44,6 @@ struct COMPONENT_EXPORT(CHROMEOS_NETWORK) NetworkIPConfig {
 
 typedef std::vector<NetworkIPConfig> NetworkIPConfigVector;
 
-}  // namespace chromeos
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_NETWORK_IP_CONFIG_H_

chromeos/ash/components/network/network_profile.cc

@@ -7,7 +7,7 @@
 #include "base/notreached.h"
 #include "base/strings/stringprintf.h"
 
-namespace chromeos {
+namespace ash {
 
 std::string NetworkProfile::ToDebugString() const {
   if (type() == NetworkProfile::TYPE_SHARED) {
@@ -22,4 +22,4 @@ std::string NetworkProfile::ToDebugString() const {
   return std::string();
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_profile.h

@@ -9,7 +9,7 @@
 
 #include "base/component_export.h"
 
-namespace chromeos {
+namespace ash {
 
 struct COMPONENT_EXPORT(CHROMEOS_NETWORK) NetworkProfile {
   enum Type {
@@ -33,11 +33,11 @@ struct COMPONENT_EXPORT(CHROMEOS_NETWORK) NetworkProfile {
   std::string ToDebugString() const;
 };
 
-}  // namespace chromeos
+}  // namespace ash
 
-// TODO(https://crbug.com/1164001): remove when it moved to ash.
-namespace ash {
-using ::chromeos::NetworkProfile;
+// TODO(https://crbug.com/1164001): remove when the migration is finished.
+namespace chromeos {
+using ::ash::NetworkProfile;
 }
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_NETWORK_PROFILE_H_

chromeos/ash/components/network/network_profile_observer.h

@@ -5,11 +5,10 @@
 #ifndef CHROMEOS_ASH_COMPONENTS_NETWORK_NETWORK_PROFILE_OBSERVER_H_
 #define CHROMEOS_ASH_COMPONENTS_NETWORK_NETWORK_PROFILE_OBSERVER_H_
 
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_profile.h"
-
 namespace ash {
 
+struct NetworkProfile;
+
 class NetworkProfileObserver {
  public:
   NetworkProfileObserver& operator=(const NetworkProfileObserver&) = delete;

chromeos/ash/components/network/network_ui_data.cc

@@ -11,7 +11,7 @@
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -131,4 +131,4 @@ std::string NetworkUIData::GetONCSourceAsString() const {
   return EnumToString(kONCSourceTable, onc_source_);
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_ui_data.h

@@ -12,7 +12,7 @@
 #include "base/values.h"
 #include "components/onc/onc_constants.h"
 
-namespace chromeos {
+namespace ash {
 
 // Helper for accessing and setting values in the network's UI data dictionary.
 // Accessing values is done via static members that take the network as an
@@ -51,11 +51,6 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) NetworkUIData {
   base::Value user_settings_;
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove when it moved to ash.
-namespace ash {
-using ::chromeos::NetworkUIData;
-}
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_NETWORK_UI_DATA_H_

chromeos/ash/components/network/network_ui_data_unittest.cc

@@ -7,7 +7,7 @@
 #include "base/values.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 
 TEST(NetworkUIDataTest, ONCSource) {
   base::Value ui_data_dict(base::Value::Type::DICTIONARY);
@@ -30,4 +30,4 @@ TEST(NetworkUIDataTest, ONCSource) {
   }
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/network_util.h

@@ -20,13 +20,12 @@
 #include "base/component_export.h"
 #include "base/time/time.h"
 #include "base/values.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_state.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_type_pattern.h"
 
 namespace ash {
 
+class NetworkState;
+class NetworkTypePattern;
+
 // Struct for passing wifi access point data.
 struct COMPONENT_EXPORT(CHROMEOS_NETWORK) WifiAccessPoint {
   WifiAccessPoint();

chromeos/ash/components/network/policy_applicator.cc

@@ -28,7 +28,7 @@
 #include "dbus/object_path.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -471,4 +471,4 @@ void PolicyApplicator::NotifyConfigurationHandlerAndFinish() {
   handler_->OnPoliciesApplied(profile_, new_cellular_policy_guids_);
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/policy_applicator.h

@@ -15,12 +15,11 @@
 #include "base/memory/weak_ptr.h"
 #include "base/sequence_checker.h"
 #include "base/values.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/managed_cellular_pref_handler.h"
 #include "chromeos/ash/components/network/network_profile.h"
 
-namespace chromeos {
+namespace ash {
 
+class ManagedCellularPrefHandler;
 class NetworkUIData;
 
 // This class compares (entry point is Run()) |modified_policies| with the
@@ -166,11 +165,6 @@ class PolicyApplicator {
   base::WeakPtrFactory<PolicyApplicator> weak_ptr_factory_{this};
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove when it moved to ash.
-namespace ash {
-using ::chromeos::PolicyApplicator;
-}
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_POLICY_APPLICATOR_H_

chromeos/ash/components/network/policy_certificate_provider.h

@@ -17,7 +17,7 @@ class X509Certificate;
 using CertificateList = std::vector<scoped_refptr<X509Certificate>>;
 }  // namespace net
 
-namespace chromeos {
+namespace ash {
 
 // An interface for a class which makes server and authority certificates
 // available from enterprise policy. Clients of this interface can register as
@@ -70,6 +70,6 @@ class PolicyCertificateProvider {
       const = 0;
 };
 
-}  // namespace chromeos
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_POLICY_CERTIFICATE_PROVIDER_H_

chromeos/ash/components/network/policy_util.h

@@ -8,14 +8,16 @@
 #include <string>
 
 #include "base/component_export.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_profile.h"
 
 namespace base {
 class Value;
 }
 
-namespace ash::policy_util {
+namespace ash {
+
+struct NetworkProfile;
+
+namespace policy_util {
 
 // This fake credential contains a random postfix which is extremely unlikely to
 // be used by any user. Used to determine saved but unknown credential
@@ -72,7 +74,8 @@ const std::string* GetIccidFromONC(const base::Value& onc_config);
 // If there is no SMDPAddress, returns nullptr.
 const std::string* GetSMDPAddressFromONC(const base::Value& onc_config);
 
-}  // namespace ash::policy_util
+}  // namespace policy_util
+}  // namespace ash
 
 // TODO(https://crbug.com/1164001): remove when the migration is finished.
 namespace chromeos {

chromeos/ash/components/network/profile_policies.cc

@@ -19,7 +19,7 @@
 #include "components/onc/onc_constants.h"
 #include "third_party/abseil-cpp/absl/types/optional.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -272,4 +272,4 @@ const ProfilePolicies::NetworkPolicy* ProfilePolicies::FindPolicy(
   return iter != guid_to_policy_.end() ? &(iter->second) : nullptr;
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/profile_policies.h

@@ -15,7 +15,7 @@
 #include "chromeos/ash/components/network/client_cert_util.h"
 #include "third_party/abseil-cpp/absl/types/optional.h"
 
-namespace chromeos {
+namespace ash {
 
 // Stores network policies for a shill profile.
 // Understands some ONC (OpenNetworkConfiguration) concepts such as
@@ -200,11 +200,6 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) ProfilePolicies {
   base::flat_map<std::string, std::string> profile_wide_expansions_;
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove when it moved to ash.
-namespace ash {
-using ::chromeos::ProfilePolicies;
-}
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_PROFILE_POLICIES_H_

chromeos/ash/components/network/profile_policies_unittest.cc

@@ -13,7 +13,7 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -584,4 +584,4 @@ TEST(ProfilePoliciesTest, SetResolvedClientCertificateUnknownGuid) {
   EXPECT_FALSE(change_had_effect);
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/proxy/proxy_config_handler.cc

@@ -26,7 +26,7 @@
 #include "dbus/object_path.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -120,4 +120,4 @@ void SetProxyConfigForNetwork(const ProxyConfigDictionary& proxy_config,
 
 }  // namespace proxy_config
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/proxy/proxy_config_handler.h

@@ -8,16 +8,15 @@
 #include <memory>
 
 #include "base/component_export.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_profile_handler.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_state.h"
 #include "components/onc/onc_constants.h"
 
 class PrefService;
 class ProxyConfigDictionary;
 
-namespace chromeos {
+namespace ash {
+
+class NetworkProfileHandler;
+class NetworkState;
 
 namespace proxy_config {
 
@@ -38,15 +37,6 @@ void SetProxyConfigForNetwork(const ProxyConfigDictionary& proxy_config,
                               const NetworkState& network);
 
 }  // namespace proxy_config
-
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove after the migration is finished.
-namespace ash {
-namespace proxy_config {
-using ::chromeos::proxy_config::GetProxyConfigForNetwork;
-using ::chromeos::proxy_config::SetProxyConfigForNetwork;
-}  // namespace proxy_config
 }  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_PROXY_PROXY_CONFIG_HANDLER_H_

chromeos/ash/components/network/proxy/proxy_config_service_impl.cc

@@ -26,7 +26,7 @@
 #include "components/proxy_config/proxy_prefs.h"
 #include "components/user_manager/user_manager.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -281,4 +281,4 @@ void ProxyConfigServiceImpl::DetermineEffectiveConfigFromDefaultNetwork() {
   }
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/proxy/proxy_config_service_impl.h

@@ -10,14 +10,14 @@
 #include "base/compiler_specific.h"
 #include "base/component_export.h"
 #include "base/task/single_thread_task_runner.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_state.h"
 #include "chromeos/ash/components/network/network_state_handler_observer.h"
 #include "components/onc/onc_constants.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/proxy_config/pref_proxy_config_tracker_impl.h"
 
-namespace chromeos {
+namespace ash {
+
+class NetworkState;
 
 // Implementation of proxy config service for chromeos that:
 // - extends PrefProxyConfigTrackerImpl (and so lives and runs entirely on UI
@@ -105,11 +105,6 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) ProxyConfigServiceImpl
   base::WeakPtrFactory<ProxyConfigServiceImpl> pointer_factory_{this};
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove after the migration is finished.
-namespace ash {
-using ::chromeos::ProxyConfigServiceImpl;
-}
+}  // namespace ash
 
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_PROXY_PROXY_CONFIG_SERVICE_IMPL_H_

chromeos/ash/components/network/proxy/proxy_config_service_impl_unittest.cc

@@ -17,7 +17,7 @@
 #include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 namespace {
 
 const char kFixedPacUrl[] = "http://fixed/";
@@ -123,4 +123,4 @@ TEST_F(ProxyConfigServiceImplTest, UsesNestedProxyConfigService) {
   proxy_tracker.DetachFromPrefService();
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/shill_property_util.h

@@ -9,15 +9,17 @@
 #include <string>
 
 #include "base/component_export.h"
-// TODO(https://crbug.com/1164001): move to forward declaration
-#include "chromeos/ash/components/network/network_ui_data.h"
 #include "components/onc/onc_constants.h"
 
 namespace base {
 class Value;
 }
 
-namespace ash::shill_property_util {
+namespace ash {
+
+class NetworkUIData;
+
+namespace shill_property_util {
 
 // Sets the |ssid| in |properties|.
 COMPONENT_EXPORT(CHROMEOS_NETWORK)
@@ -93,7 +95,8 @@ bool DoIdentifyingPropertiesMatch(const base::Value& new_properties,
 // be relied upon).
 bool IsLoggableShillProperty(const std::string& key);
 
-}  // namespace ash::shill_property_util
+}  // namespace shill_property_util
+}  // namespace ash
 
 // TODO(https://crbug.com/1164001): remove when the migration is finished.
 namespace chromeos {

chromeos/ash/components/network/system_token_cert_db_storage.cc

@@ -14,7 +14,7 @@
 #include "base/timer/timer.h"
 #include "net/cert/nss_cert_database.h"
 
-namespace chromeos {
+namespace ash {
 
 namespace {
 
@@ -114,4 +114,4 @@ void SystemTokenCertDbStorage::OnSystemTokenDbRetrievalTimeout() {
       /*nss_cert_database=*/nullptr);
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/ash/components/network/system_token_cert_db_storage.h

@@ -19,7 +19,7 @@ namespace net {
 class NSSCertDatabase;
 }
 
-namespace chromeos {
+namespace ash {
 
 // Used by SystemTokenCertDbInitializer to save the system token certificate
 // database when it is ready.
@@ -109,11 +109,11 @@ class COMPONENT_EXPORT(CHROMEOS_NETWORK) SystemTokenCertDbStorage {
   SEQUENCE_CHECKER(sequence_checker_);
 };
 
-}  // namespace chromeos
-
-// TODO(https://crbug.com/1164001): remove when moved to ash.
-namespace ash {
-using ::chromeos::SystemTokenCertDbStorage;
 }  // namespace ash
 
+// TODO(https://crbug.com/1164001): remove when the migration is finished.
+namespace chromeos {
+using ::ash::SystemTokenCertDbStorage;
+}
+
 #endif  // CHROMEOS_ASH_COMPONENTS_NETWORK_SYSTEM_TOKEN_CERT_DB_STORAGE_H_

chromeos/ash/components/network/system_token_cert_db_storage_unittest.cc

@@ -17,7 +17,7 @@
 #include "net/cert/nss_cert_database.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace chromeos {
+namespace ash {
 
 class SystemTokenCertDbStorageTest : public testing::Test {
  public:
@@ -200,4 +200,4 @@ TEST_F(SystemTokenCertDbStorageTest, RequestingDatabaseFailsAfterReset) {
       get_system_token_cert_db_callback_wrapper_2.IsDbRetrievalSucceeded());
 }
 
-}  // namespace chromeos
+}  // namespace ash

chromeos/components/onc/onc_utils.h

@@ -126,6 +126,7 @@ bool ResolveServerCertRefsInNetwork(const CertPEMsByGUIDMap& certs_by_guid,
 
 // TODO(https://crbug.com/1164001): remove when it moved to ash.
 namespace ash::onc {
+using ::chromeos::onc::ExpandStringsInOncObject;
 using ::chromeos::onc::FillInHexSSIDField;
 using ::chromeos::onc::FillInHexSSIDFieldsInOncObject;
 using ::chromeos::onc::MaskCredentialsInOncObject;

components/proxy_config/pref_proxy_config_tracker_impl.h

@@ -28,7 +28,7 @@ class SingleThreadTaskRunner;
 // settings (pushed from PrefProxyConfigTrackerImpl) as overrides to the proxy
 // configuration determined by a baseline delegate ProxyConfigService on
 // non-ChromeOS platforms. ChromeOS has its own implementation of overrides in
-// chromeos::ProxyConfigServiceImpl.
+// ash::ProxyConfigServiceImpl.
 class ProxyConfigServiceImpl : public net::ProxyConfigService,
                                public net::ProxyConfigService::Observer {
  public:

content/browser/renderer_host/pepper/pepper_socket_utils.cc

@@ -91,8 +91,8 @@ bool IsLoopbackAddress(const net::IPAddress& address) {
 }  // namespace
 
 void OpenFirewallHole(const net::IPEndPoint& address,
-                      chromeos::FirewallHole::PortType type,
-                      chromeos::FirewallHole::OpenCallback callback) {
+                      ash::FirewallHole::PortType type,
+                      ash::FirewallHole::OpenCallback callback) {
   if (IsLoopbackAddress(address.address())) {
     std::move(callback).Run(nullptr);
     return;
@@ -103,19 +103,19 @@ void OpenFirewallHole(const net::IPEndPoint& address,
   // can be resolved by the address, but the best solution would be to update
   // firewalld to allow filtering by destination address, not just destination
   // port. iptables already support it.
-  chromeos::FirewallHole::Open(type, address.port(), std::string(),
-                               std::move(callback));
+  ash::FirewallHole::Open(type, address.port(), std::string(),
+                          std::move(callback));
 }
 
 void OpenTCPFirewallHole(const net::IPEndPoint& address,
-                         chromeos::FirewallHole::OpenCallback callback) {
-  OpenFirewallHole(address, chromeos::FirewallHole::PortType::TCP,
+                         ash::FirewallHole::OpenCallback callback) {
+  OpenFirewallHole(address, ash::FirewallHole::PortType::TCP,
                    std::move(callback));
 }
 
 void OpenUDPFirewallHole(const net::IPEndPoint& address,
-                         chromeos::FirewallHole::OpenCallback callback) {
-  OpenFirewallHole(address, chromeos::FirewallHole::PortType::UDP,
+                         ash::FirewallHole::OpenCallback callback) {
+  OpenFirewallHole(address, ash::FirewallHole::PortType::UDP,
                    std::move(callback));
 }
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)

content/browser/renderer_host/pepper/pepper_socket_utils.h

@@ -45,10 +45,10 @@ bool CanUseSocketAPIs(bool external_plugin,
 
 // Returns true if the open operation is in progress.
 void OpenTCPFirewallHole(const net::IPEndPoint& address,
-                         chromeos::FirewallHole::OpenCallback callback);
+                         ash::FirewallHole::OpenCallback callback);
 
 void OpenUDPFirewallHole(const net::IPEndPoint& address,
-                         chromeos::FirewallHole::OpenCallback callback);
+                         ash::FirewallHole::OpenCallback callback);
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 
 // Annotations for TCP and UDP network requests. Defined here to make it easier

content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.cc

@@ -275,7 +275,7 @@ void PepperTCPServerSocketMessageFilter::OpenFirewallHole(
 
 void PepperTCPServerSocketMessageFilter::OnFirewallHoleOpened(
     const ppapi::host::ReplyMessageContext& context,
-    std::unique_ptr<chromeos::FirewallHole> hole) {
+    std::unique_ptr<ash::FirewallHole> hole) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   LOG_IF(WARNING, !hole.get()) << "Firewall hole could not be opened.";

content/browser/renderer_host/pepper/pepper_tcp_server_socket_message_filter.h

@@ -143,7 +143,7 @@ class CONTENT_EXPORT PepperTCPServerSocketMessageFilter
   void OpenFirewallHole(const ppapi::host::ReplyMessageContext& context,
                         const net::IPEndPoint& local_addr);
   void OnFirewallHoleOpened(const ppapi::host::ReplyMessageContext& context,
-                            std::unique_ptr<chromeos::FirewallHole> hole);
+                            std::unique_ptr<ash::FirewallHole> hole);
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 
   // Following fields are initialized and used only on the IO thread.
@@ -161,8 +161,7 @@ class CONTENT_EXPORT PepperTCPServerSocketMessageFilter
   PP_NetAddress_Private bound_addr_;
 
 #if BUILDFLAG(IS_CHROMEOS_ASH)
-  std::unique_ptr<chromeos::FirewallHole,
-                  content::BrowserThread::DeleteOnUIThread>
+  std::unique_ptr<ash::FirewallHole, content::BrowserThread::DeleteOnUIThread>
       firewall_hole_;
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 

content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc

@@ -1200,7 +1200,7 @@ void PepperTCPSocketMessageFilter::OpenFirewallHole(
 
 void PepperTCPSocketMessageFilter::OnFirewallHoleOpened(
     const ppapi::host::ReplyMessageContext& context,
-    std::unique_ptr<chromeos::FirewallHole> hole) {
+    std::unique_ptr<ash::FirewallHole> hole) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(state_.IsPending(TCPSocketState::LISTEN));
   LOG_IF(WARNING, !hole.get()) << "Firewall hole could not be opened.";