Revert of [media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

media/audio/audio_manager_base.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 "media/audio/audio_manager_base.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "media/audio/audio_output_dispatcher_impl.h"
 #include "media/audio/audio_output_proxy.h"
 #include "media/audio/audio_output_resampler.h"
 #include "media/audio/fake_audio_input_stream.h"
 #include "media/audio/fake_audio_output_stream.h"
 #include "media/base/media_switches.h"
 
 namespace media {
 
@@ skipping 65 matching lines @@
   // Do not use MTA mode initalization as it causes hangs for a significant
   // population of users and is not supported on Windows 8 for audio capture
   // and rendering.  See http://crbug.com/422522.
   audio_thread_.init_com_with_mta(false);
 #elif defined(OS_MACOSX)
   // CoreAudio calls must occur on the main thread of the process, which in our
   // case is sadly the browser UI thread.  Failure to execute calls on the right
   // thread leads to crashes and odd behavior.  See http://crbug.com/158170.
   // TODO(dalecurtis): We should require the message loop to be passed in.
   if (base::MessageLoopForUI::IsCurrent()) {
-    task_runner_ = base::ThreadTaskRunnerHandle::Get();
+    task_runner_ = base::MessageLoopProxy::current();
     return;
   }
 #endif
 
   CHECK(audio_thread_.Start());
   task_runner_ = audio_thread_.message_loop_proxy();
 }
 
 AudioManagerBase::~AudioManagerBase() {
   // The platform specific AudioManager implementation must have already
@@ skipping 294 matching lines @@
 scoped_ptr<AudioLog> AudioManagerBase::CreateAudioLog(
     AudioLogFactory::AudioComponent component) {
   return audio_log_factory_->CreateAudioLog(component);
 }
 
 void AudioManagerBase::SetHasKeyboardMic() {
   NOTREACHED();
 }
 
 }  // namespace media