Remove ui::EndpointType::kLacros in Lacros supported builds

Lacros is deprecated. Remove all the usages of
ui::EndpointType::kLacros. This is a final clean up for this usage.

Bug: 374585768, 374122148, 373972275, 373971535
Change-Id: I395a6de42c17994f9818ec16839c644b9fe321f7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5965199
Commit-Queue: Maksim Sisov <msisov@igalia.com>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Reviewed-by: Dominic Farolino <dom@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1374704}

chrome/browser/ash/exo/chrome_data_exchange_delegate.cc

@@ -79,9 +79,6 @@ ui::EndpointType ChromeDataExchangeDelegate::GetDataTransferEndpointType(
     return ui::EndpointType::kBorealis;
   }
 
-  if (crosapi::browser_util::IsLacrosWindow(top_level_window))
-    return ui::EndpointType::kLacros;
-
   if (crostini::IsCrostiniWindow(top_level_window))
     return ui::EndpointType::kCrostini;
 

chrome/browser/ash/exo/chrome_data_exchange_delegate_unittest.cc

@@ -129,9 +129,6 @@ TEST_F(ChromeDataExchangeDelegateTest, GetDataTransferEndpointType) {
       ui::EndpointType::kCrostini,
       data_exchange_delegate.GetDataTransferEndpointType(crostini_window));
 
-  EXPECT_EQ(ui::EndpointType::kLacros,
-            data_exchange_delegate.GetDataTransferEndpointType(lacros_window));
-
   EXPECT_EQ(
       ui::EndpointType::kPluginVm,
       data_exchange_delegate.GetDataTransferEndpointType(plugin_vm_window));

chrome/browser/ash/policy/dlp/dlp_files_controller_ash_unittest.cc

@@ -2483,8 +2483,6 @@ INSTANTIATE_TEST_SUITE_P(
                         ::dlp::DlpComponent::CROSTINI),
         std::make_tuple(ui::DataTransferEndpoint(ui::EndpointType::kPluginVm),
                         ::dlp::DlpComponent::PLUGIN_VM),
-        std::make_tuple(ui::DataTransferEndpoint(ui::EndpointType::kLacros),
-                        ::dlp::DlpComponent::UNKNOWN_COMPONENT),
         std::make_tuple(ui::DataTransferEndpoint(ui::EndpointType::kDefault),
                         ::dlp::DlpComponent::UNKNOWN_COMPONENT),
         std::make_tuple(

chrome/browser/chromeos/policy/dlp/data_transfer_dlp_controller.cc

@@ -157,13 +157,6 @@ DlpRulesManager::Level IsDataTransferAllowed(
       break;
     }
 
-    case ui::EndpointType::kLacros: {
-      // Return ALLOW for Lacros destinations, as Lacros itself will make DLP
-      // checks.
-      level = DlpRulesManager::Level::kAllow;
-      break;
-    }
-
     case ui::EndpointType::kUnknownVm:
     case ui::EndpointType::kBorealis:
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)

chrome/browser/chromeos/policy/dlp/data_transfer_dlp_controller_unittest.cc

@@ -215,19 +215,6 @@ TEST_F(DataTransferDlpControllerTest, ClipboardHistoryDst) {
       false, 1);
 }
 
-#if BUILDFLAG(IS_CHROMEOS_ASH)
-TEST_F(DataTransferDlpControllerTest, LacrosDst) {
-  ui::DataTransferEndpoint data_src((GURL(kExample1Url)));
-  ui::DataTransferEndpoint data_dst(ui::EndpointType::kLacros);
-  EXPECT_EQ(true, dlp_controller_->IsClipboardReadAllowed(data_src, data_dst,
-                                                          std::nullopt));
-  histogram_tester_.ExpectUniqueSample(
-      data_controls::GetDlpHistogramPrefix() +
-          data_controls::dlp::kClipboardReadBlockedUMA,
-      false, 1);
-}
-#endif  // BUILDFLAG(IS_CHROMEOS_ASH)
-
 TEST_F(DataTransferDlpControllerTest, PasteIfAllowed_Allow) {
   ui::DataTransferEndpoint data_src((GURL(kExample1Url)));
   ui::DataTransferEndpoint data_dst((GURL(kExample2Url)));

chrome/browser/chromeos/policy/dlp/dlp_files_controller.cc

@@ -122,7 +122,6 @@ DlpFileDestination DTEndpointToFileDestination(
     case ui::EndpointType::kPluginVm:
       return DlpFileDestination(data_controls::Component::kPluginVm);
 
-    case ui::EndpointType::kLacros:
     case ui::EndpointType::kDefault:
     case ui::EndpointType::kClipboardHistory:
     case ui::EndpointType::kBorealis:

chrome/browser/resources/chromeos/dlp_internals/dlp_utils.ts

@@ -14,7 +14,6 @@ export const EndpointTypeMap = {
   [EndpointType.kBorealis]: 'Borealis',
   [EndpointType.kCrostini]: 'Crostini',
   [EndpointType.kPluginVm]: 'Plugin VM',
-  [EndpointType.kLacros]: 'Lacros',
 };
 
 export const DestinationComponentMap = {

chrome/browser/ui/webui/ash/dlp_internals/dlp_internals.mojom

@@ -18,7 +18,6 @@ enum EndpointType {
   kBorealis = 5,
   kCrostini = 6,
   kPluginVm = 7,
-  kLacros = 8,
 };
 
 struct DataTransferEndpoint {

chrome/browser/ui/webui/ash/dlp_internals/dlp_internals_page_handler.cc

@@ -235,10 +235,6 @@ void DlpInternalsPageHandler::GetClipboardDataSource(
     case ui::EndpointType::kPluginVm:
       mojom_source->type = dlp_internals::mojom::EndpointType::kPluginVm;
       break;
-
-    case ui::EndpointType::kLacros:
-      mojom_source->type = dlp_internals::mojom::EndpointType::kLacros;
-      break;
   }
 
   if (source->IsUrlType()) {

components/exo/seat.cc

@@ -235,11 +235,6 @@ void Seat::SetSelection(DataSource* source) {
 
   size_t num_data_read_callbacks = DataSource::kMaxDataTypes;
 
-  // Lacros sends additional metadata, in a custom MIME type, to sync clipboard
-  // source metadata,
-  if (endpoint_type == ui::EndpointType::kLacros)
-    ++num_data_read_callbacks;
-
   base::RepeatingClosure data_read_callback = base::BarrierClosure(
       num_data_read_callbacks,
       base::BindOnce(&Seat::OnAllReadsFinished, weak_ptr_factory_.GetWeakPtr(),

ui/base/data_transfer_policy/data_transfer_endpoint.h

@@ -27,7 +27,6 @@ enum class EndpointType {
   kBorealis = 5,   // Borealis OS.
   kCrostini = 6,   // Crostini.
   kPluginVm = 7,   // Plugin VM App.
-  kLacros = 8,     // Lacros browser.
 #endif             // BUILDFLAG(IS_CHROMEOS)
 };