Remove usage of ScopedTaskScheduler.

media/gpu/video_decode_accelerator_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The bulk of this file is support code; sorry about that.  Here's an overview
 // to hopefully help readers of this code:
 // - RenderingHelper is charged with interacting with X11/{EGL/GLES2,GLX/GL} or
 //   Win/EGL.
 // - ClientState is an enum for the state of the decode client used by the test.
 // - ClientStateNotification is a barrier abstraction that allows the test code
@@ skipping 32 matching lines @@
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/stringize_macros.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/launcher/unit_test_launcher.h"
-#include "base/test/scoped_task_scheduler.h"
+#include "base/test/scoped_task_environment.h"
 #include "base/test/test_suite.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/config/gpu_driver_bug_workarounds.h"
 #include "media/base/test_data_util.h"
 #include "media/filters/h264_parser.h"
 #include "media/gpu/fake_video_decode_accelerator.h"
 #include "media/gpu/gpu_video_decode_accelerator_factory.h"
@@ skipping 1751 matching lines @@
 class VDATestSuite : public base::TestSuite {
  public:
   VDATestSuite(int argc, char** argv) : base::TestSuite(argc, argv) {}
 
   int Run() {
 #if defined(OS_WIN) || defined(USE_OZONE)
     // For windows the decoding thread initializes the media foundation decoder
     // which uses COM. We need the thread to be a UI thread.
     // On Ozone, the backend initializes the event system using a UI
     // thread.
-    base::MessageLoopForUI main_loop;
+    base::test::ScopedTaskEnvironment scoped_task_environment(
+        base::test::ScopedTaskEnvironment::MainThreadType::UI);
 #else
-    base::MessageLoop main_loop;
+    base::test::ScopedTaskEnvironment scoped_task_environment;
 #endif  // OS_WIN || USE_OZONE
 
-    base::test::ScopedTaskScheduler scoped_task_scheduler(&main_loop);
-
     media::g_env =
         reinterpret_cast<media::VideoDecodeAcceleratorTestEnvironment*>(
             testing::AddGlobalTestEnvironment(
                 new media::VideoDecodeAcceleratorTestEnvironment()));
 
 #if defined(USE_OZONE)
     ui::OzonePlatform::InitializeForUI();
 #endif
 
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
@@ skipping 74 matching lines @@
       media::g_thumbnail_output_dir = base::FilePath(it->second.c_str());
     }
   }
 
   base::ShadowingAtExitManager at_exit_manager;
 
   return base::LaunchUnitTestsSerially(
       argc, argv,
       base::Bind(&media::VDATestSuite::Run, base::Unretained(&test_suite)));
 }