Remove usage of ScopedTaskScheduler.

media/test/pipeline_integration_test_base.h

 // 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.
 
 #ifndef MEDIA_TEST_PIPELINE_INTEGRATION_TEST_BASE_H_
 #define MEDIA_TEST_PIPELINE_INTEGRATION_TEST_BASE_H_
 
 #include <stdint.h>
 #include <memory>
 
 #include "base/md5.h"
 #include "base/message_loop/message_loop.h"
-#include "base/test/scoped_task_scheduler.h"
+#include "base/test/scoped_task_environment.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "media/audio/clockless_audio_sink.h"
 #include "media/audio/null_audio_sink.h"
 #include "media/base/demuxer.h"
 #include "media/base/null_video_sink.h"
 #include "media/base/pipeline_impl.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/text_track.h"
 #include "media/base/text_track_config.h"
 #include "media/base/video_frame.h"
 #include "media/renderers/video_renderer_impl.h"
@@ skipping 111 matching lines @@
       const Demuxer::EncryptedMediaInitDataCB& encrypted_media_init_data_cb) {
     encrypted_media_init_data_cb_ = encrypted_media_init_data_cb;
   }
 
   std::unique_ptr<Renderer> CreateRenderer(
       CreateVideoDecodersCB prepend_video_decoders_cb,
       CreateAudioDecodersCB prepend_audio_decoders_cb);
 
  protected:
   MediaLog media_log_;
-  base::MessageLoop message_loop_;
   base::MD5Context md5_context_;
   bool hashing_enabled_;
   bool clockless_playback_;
 
-  // TaskScheduler is used only for FFmpegDemuxer.
-  std::unique_ptr<base::test::ScopedTaskScheduler> task_scheduler_;
+  base::test::ScopedTaskEnvironment scoped_task_environment_;
+  const scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_ =
+      base::ThreadTaskRunnerHandle::Get();
+
   std::unique_ptr<Demuxer> demuxer_;
   std::unique_ptr<DataSource> data_source_;
   std::unique_ptr<PipelineImpl> pipeline_;
   scoped_refptr<NullAudioSink> audio_sink_;
   scoped_refptr<ClocklessAudioSink> clockless_audio_sink_;
   std::unique_ptr<NullVideoSink> video_sink_;
   bool ended_;
   PipelineStatus pipeline_status_;
   Demuxer::EncryptedMediaInitDataCB encrypted_media_init_data_cb_;
   VideoPixelFormat last_video_frame_format_;
@@ skipping 63 matching lines @@
   MOCK_METHOD1(OnVideoOpacityChange, void(bool));
   MOCK_METHOD0(OnVideoAverageKeyframeDistanceUpdate, void());
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PipelineIntegrationTestBase);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_TEST_PIPELINE_INTEGRATION_TEST_BASE_H_