Revert of Pass task runners to AudioManager constructor.

media/audio/audio_low_latency_input_output_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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/synchronization/lock.h"
 #include "base/test/test_timeouts.h"
-#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_manager_base.h"
 #include "media/audio/audio_unittest_util.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "media/base/seekable_buffer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 64 matching lines @@
 
   // Reported render/output delay. Typical value is ~40 [ms].
   int output_delay_ms;
 };
 
 // This class mocks the platform specific audio manager and overrides
 // the GetMessageLoop() method to ensure that we can run our tests on
 // the main thread instead of the audio thread.
 class MockAudioManager : public AudioManagerAnyPlatform {
  public:
-  MockAudioManager()
-      : AudioManagerAnyPlatform(base::ThreadTaskRunnerHandle::Get(),
-                                base::ThreadTaskRunnerHandle::Get(),
-                                &fake_audio_log_factory_) {}
+  MockAudioManager() : AudioManagerAnyPlatform(&fake_audio_log_factory_) {}
   ~MockAudioManager() override {}
 
+  scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() override {
+    return base::MessageLoop::current()->task_runner();
+  }
+
  private:
   FakeAudioLogFactory fake_audio_log_factory_;
   DISALLOW_COPY_AND_ASSIGN(MockAudioManager);
 };
 
 // Test fixture class.
 class AudioLowLatencyInputOutputTest : public testing::Test {
  protected:
   AudioLowLatencyInputOutputTest() {}
 
@@ skipping 317 matching lines @@
 
   // All Close() operations that run on the mocked audio thread,
   // should be synchronous and not post additional close tasks to
   // mocked the audio thread. Hence, there is no need to call
   // message_loop()->RunUntilIdle() after the Close() methods.
   aos->Close();
   ais->Close();
 }
 
 }  // namespace media