Revert of Pass task runners to AudioManager constructor.

media/audio/fake_audio_manager.cc

 // Copyright 2013 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 "media/audio/fake_audio_manager.h"
 
 namespace media {
 
 namespace {
 
 const int kDefaultInputBufferSize = 1024;
 const int kDefaultSampleRate = 48000;
 
 }  // namespace
 
-FakeAudioManager::FakeAudioManager(
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-    scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner,
-    AudioLogFactory* audio_log_factory)
-    : AudioManagerBase(std::move(task_runner),
-                       std::move(worker_task_runner),
-                       audio_log_factory) {
-  LOG(INFO) << __FUNCTION__;
-}
+FakeAudioManager::FakeAudioManager(AudioLogFactory* audio_log_factory)
+    : AudioManagerBase(audio_log_factory) {}
 
 FakeAudioManager::~FakeAudioManager() {
-  LOG(INFO) << __FUNCTION__;
   Shutdown();
 }
 
 // Implementation of AudioManager.
 bool FakeAudioManager::HasAudioOutputDevices() { return false; }
 
 bool FakeAudioManager::HasAudioInputDevices() { return false; }
 
 // Implementation of AudioManagerBase.
 AudioOutputStream* FakeAudioManager::MakeLinearOutputStream(
@@ skipping 40 matching lines @@
 }
 
 AudioParameters FakeAudioManager::GetInputStreamParameters(
     const std::string& device_id) {
   return AudioParameters(
       AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO,
       kDefaultSampleRate, 16, kDefaultInputBufferSize);
 }
 
 }  // namespace media