Remove useless references to unsupported windows versions (1)

This CL goes over all directories excluding base/ chrome/ content/
components/ and ui/.

Bug: 579196
Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: I4c792972b546b9de10669b7c3f66e85ab79cea94
Reviewed-on: https://chromium-review.googlesource.com/565897
Commit-Queue: Patrick Monette <pmonette@chromium.org>
Reviewed-by: Chrome Cunningham <chcunningham@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: John Bauman <jbauman@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#490593}

cloud_print/virtual_driver/win/port_monitor/port_monitor.cc

@@ -26,7 +26,6 @@
 #include "base/strings/string_util.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_handle.h"
-#include "base/win/windows_version.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/installer/launcher_support/chrome_launcher_support.h"
 #include "cloud_print/common/win/cloud_print_utils.h"
@@ -113,11 +112,7 @@ base::FilePath GetLocalAppDataLow() {
 }
 
 base::FilePath GetAppDataDir() {
-  base::FilePath file_path;
-  if (base::win::GetVersion() >= base::win::VERSION_VISTA)
-    file_path = GetLocalAppDataLow();
-  else
-    PathService::Get(base::DIR_LOCAL_APP_DATA, &file_path);
+  base::FilePath file_path = GetLocalAppDataLow();
   if (file_path.empty()) {
     LOG(ERROR) << "Can't get app data dir";
   }
@@ -304,19 +299,15 @@ bool ValidateCurrentUser() {
   }
   base::win::ScopedHandle token_scoped(token);
 
-  if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
-    DWORD session_id = 0;
-    DWORD dummy;
-    if (!GetTokenInformation(token_scoped.Get(), TokenSessionId,
+  DWORD session_id = 0;
+  DWORD dummy = 0;
+  if (!::GetTokenInformation(token_scoped.Get(), TokenSessionId,
                              reinterpret_cast<void*>(&session_id),
                              sizeof(DWORD), &dummy)) {
-      return false;
-    }
-    if (session_id == 0) {
-      return false;
-    }
+    return false;
   }
-  return true;
+
+  return session_id != 0;
 }
 }  // namespace
 

gpu/config/gpu_info_collector_win.cc

@@ -34,7 +34,6 @@
 #include "base/trace_event/trace_event.h"
 #include "base/win/scoped_com_initializer.h"
 #include "base/win/scoped_comptr.h"
-#include "base/win/windows_version.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface_egl.h"
 
@@ -84,18 +83,8 @@ CollectInfoResult CollectDriverInfoD3D(const std::wstring& device_id,
                         {0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18}};
 
   // create device info for the display device
-  HDEVINFO device_info;
-  if (base::win::GetVersion() <= base::win::VERSION_XP) {
-    // Collection of information on all adapters is much slower on XP (almost
-    // 100ms), and not very useful (as it's not going to use the GPU anyway), so
-    // just collect information on the current device. http://crbug.com/456178
-    device_info =
-        SetupDiGetClassDevsW(NULL, device_id.c_str(), NULL,
-                             DIGCF_PRESENT | DIGCF_PROFILE | DIGCF_ALLCLASSES);
-  } else {
-    device_info =
-        SetupDiGetClassDevsW(&display_class, NULL, NULL, DIGCF_PRESENT);
-  }
+  HDEVINFO device_info =
+      ::SetupDiGetClassDevs(&display_class, NULL, NULL, DIGCF_PRESENT);
   if (device_info == INVALID_HANDLE_VALUE) {
     LOG(ERROR) << "Creating device info failed";
     return kCollectInfoNonFatalFailure;

gpu/config/gpu_test_config.cc

@@ -302,12 +302,6 @@ bool GPUTestBotConfig::CurrentConfigMatches(
 
 // static
 bool GPUTestBotConfig::GpuBlacklistedOnBot() {
-#if defined(OS_WIN)
-  // Blacklist rule #79 disables all Gpu acceleration before Windows 7.
-  if (base::win::GetVersion() <= base::win::VERSION_VISTA) {
-    return true;
-  }
-#endif
   return false;
 }
 

media/audio/win/audio_manager_win.cc

@@ -122,13 +122,7 @@ static int NumberOfWaveOutBuffers() {
     return buffers;
   }
 
-  // Use 4 buffers for Vista, 3 for everyone else:
-  //  - The entire Windows audio stack was rewritten for Windows Vista and wave
-  //    out performance was degraded compared to XP.
-  //  - The regression was fixed in Windows 7 and most configurations will work
-  //    with 2, but some (e.g., some Sound Blasters) still need 3.
-  //  - Some XP configurations (even multi-processor ones) also need 3.
-  return (base::win::GetVersion() == base::win::VERSION_VISTA) ? 4 : 3;
+  return 3;
 }
 
 AudioManagerWin::AudioManagerWin(std::unique_ptr<AudioThread> audio_thread,

media/audio/win/audio_output_win_unittest.cc

@@ -17,7 +17,6 @@
 #include "base/sync_socket.h"
 #include "base/time/time.h"
 #include "base/win/scoped_com_initializer.h"
-#include "base/win/windows_version.h"
 #include "media/audio/audio_device_info_accessor_for_tests.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_manager.h"
@@ -452,11 +451,9 @@ TEST_F(WinAudioTest, PCMWaveStreamPlay200HzToneLowLatency) {
       audio_manager_device_info_->GetDefaultOutputStreamParameters();
   int sample_rate = params.sample_rate();
   uint32_t samples_10_ms = sample_rate / 100;
-  int n = 1;
-  (base::win::GetVersion() <= base::win::VERSION_XP) ? n = 5 : n = 1;
   AudioOutputStream* oas = audio_manager_->MakeAudioOutputStream(
       AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY,
-                      CHANNEL_LAYOUT_MONO, sample_rate, 16, n * samples_10_ms),
+                      CHANNEL_LAYOUT_MONO, sample_rate, 16, samples_10_ms),
       std::string(), AudioManager::LogCallback());
   ASSERT_TRUE(NULL != oas);
 

media/audio/win/core_audio_util_win.cc

@@ -19,7 +19,6 @@
 #include "base/win/scoped_handle.h"
 #include "base/win/scoped_propvariant.h"
 #include "base/win/scoped_variant.h"
-#include "base/win/windows_version.h"
 #include "media/audio/audio_device_description.h"
 #include "media/base/media_switches.h"
 
@@ -204,12 +203,6 @@ static bool IsSupportedInternal() {
     return false;
   }
 
-  // Microsoft does not plan to make the Core Audio APIs available for use
-  // with earlier versions of Windows, including Microsoft Windows Server 2003,
-  // Windows XP, Windows Millennium Edition, Windows 2000, and Windows 98.
-  if (base::win::GetVersion() < base::win::VERSION_VISTA)
-    return false;
-
   // The audio core APIs are implemented in the Mmdevapi.dll and Audioses.dll
   // system components.
   // Dependency Walker shows that it is enough to verify possibility to load

mojo/edk/embedder/platform_channel_pair_win.cc

@@ -13,7 +13,6 @@
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
-#include "base/win/windows_version.h"
 #include "mojo/edk/embedder/platform_handle.h"
 
 namespace mojo {
@@ -113,8 +112,7 @@ PlatformChannelPair::PrepareToPassClientHandleToChildProcessAsString(
   DCHECK(handle_passing_info);
   DCHECK(client_handle_.is_valid());
 
-  if (base::win::GetVersion() >= base::win::VERSION_VISTA)
-    handle_passing_info->push_back(client_handle_.get().handle);
+  handle_passing_info->push_back(client_handle_.get().handle);
 
   return base::IntToString(HandleToLong(client_handle_.get().handle));
 }

mojo/edk/test/multiprocess_test_helper.cc

@@ -33,9 +33,7 @@
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-#if defined(OS_WIN)
-#include "base/win/windows_version.h"
-#elif defined(OS_MACOSX) && !defined(OS_IOS)
+#if defined(OS_MACOSX) && !defined(OS_IOS)
 #include "base/mac/mach_port_broker.h"
 #endif
 

rlz/win/lib/process_info.cc

@@ -25,9 +25,6 @@ HRESULT GetElevationType(PTOKEN_ELEVATION_TYPE elevation) {
 
   *elevation = TokenElevationTypeDefault;
 
-  if (base::win::GetVersion() < base::win::VERSION_VISTA)
-    return E_FAIL;
-
   HANDLE process_token;
   if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &process_token))
     return HRESULT_FROM_WIN32(GetLastError());
@@ -45,39 +42,6 @@ HRESULT GetElevationType(PTOKEN_ELEVATION_TYPE elevation) {
   return S_OK;
 }
 
-// based on http://msdn2.microsoft.com/en-us/library/aa376389.aspx
-bool GetUserGroup(long* group) {
-  if (!group)
-    return false;
-
-  *group = 0;
-
-  // groups are listed in DECREASING order of importance
-  // (eg. If a user is a member of both the admin group and
-  // the power user group, it is more useful to list the user
-  // as an admin)
-  DWORD user_groups[] =  {DOMAIN_ALIAS_RID_ADMINS,
-                          DOMAIN_ALIAS_RID_POWER_USERS};
-  SID_IDENTIFIER_AUTHORITY nt_authority = {SECURITY_NT_AUTHORITY};
-
-  for (size_t i = 0; i < arraysize(user_groups) && *group == 0; ++i) {
-    PSID current_group;
-    if (AllocateAndInitializeSid(&nt_authority, 2,
-                                 SECURITY_BUILTIN_DOMAIN_RID,
-                                 user_groups[i], 0, 0, 0, 0,
-                                 0, 0, &current_group)) {
-      BOOL current_level;
-      if (CheckTokenMembership(NULL, current_group, &current_level) &&
-          current_level) {
-        *group = user_groups[i];
-      }
-
-      FreeSid(current_group);
-    }
-  }
-
-  return group != 0;
-}
 }  //anonymous
 
 
@@ -99,7 +63,7 @@ bool ProcessInfo::HasAdminRights() {
   if (!evaluated) {
     if (IsRunningAsSystem()) {
       has_rights = true;
-    } else if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
+    } else {
       TOKEN_ELEVATION_TYPE elevation;
       if (SUCCEEDED(GetElevationType(&elevation))) {
         base::IntegrityLevel level = base::GetCurrentProcessIntegrityLevel();
@@ -108,10 +72,6 @@ bool ProcessInfo::HasAdminRights() {
                        (level == base::HIGH_INTEGRITY);
         }
       }
-    } else {
-      long group = 0;
-      if (GetUserGroup(&group))
-        has_rights = (group == DOMAIN_ALIAS_RID_ADMINS);
     }
   }
 

rlz/win/lib/registry_util.cc

@@ -58,9 +58,6 @@ bool HasUserKeyAccess(bool write_access) {
   }
 
   if (write_access) {
-    if (base::win::GetVersion() < base::win::VERSION_VISTA)
-      return true;
-
     if (base::GetCurrentProcessIntegrityLevel() <= base::LOW_INTEGRITY) {
       ASSERT_STRING("UserKey::HasAccess: Cannot write from Low Integrity.");
       return false;

services/device/battery/battery_status_manager_win.cc

@@ -11,7 +11,6 @@
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string16.h"
 #include "base/win/message_window.h"
-#include "base/win/windows_version.h"
 #include "services/device/battery/battery_status_manager.h"
 
 namespace device {
@@ -120,17 +119,11 @@ class BatteryStatusObserver {
   }
 
   HPOWERNOTIFY RegisterNotification(LPCGUID power_setting) {
-    if (base::win::GetVersion() < base::win::VERSION_VISTA)
-      return NULL;
-
     return RegisterPowerSettingNotification(window_->hwnd(), power_setting,
                                             DEVICE_NOTIFY_WINDOW_HANDLE);
   }
 
   BOOL UnregisterNotification(HPOWERNOTIFY handle) {
-    if (base::win::GetVersion() < base::win::VERSION_VISTA)
-      return FALSE;
-
     return UnregisterPowerSettingNotification(handle);
   }