Revert of [media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

media/audio/audio_input_controller.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_input_controller.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram_macros.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
-#include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "media/audio/audio_parameters.h"
 #include "media/base/user_input_monitor.h"
 
 using base::TimeDelta;
 
 namespace {
 
 const int kMaxInputChannels = 3;
@@ skipping 91 matching lines @@
 
 namespace media {
 
 // static
 AudioInputController::Factory* AudioInputController::factory_ = NULL;
 
 AudioInputController::AudioInputController(EventHandler* handler,
                                            SyncWriter* sync_writer,
                                            UserInputMonitor* user_input_monitor,
                                            const bool agc_is_enabled)
-    : creator_task_runner_(base::ThreadTaskRunnerHandle::Get()),
+    : creator_task_runner_(base::MessageLoopProxy::current()),
       handler_(handler),
       stream_(NULL),
       data_is_active_(false),
       state_(CLOSED),
       sync_writer_(sync_writer),
       max_volume_(0.0),
       user_input_monitor_(user_input_monitor),
       agc_is_enabled_(agc_is_enabled),
 #if defined(AUDIO_POWER_MONITORING)
       power_measurement_is_enabled_(false),
@@ skipping 536 matching lines @@
 }
 
 void AudioInputController::LogSilenceState(SilenceState value) {
   UMA_HISTOGRAM_ENUMERATION("Media.AudioInputControllerSessionSilenceReport",
                             value,
                             SILENCE_STATE_MAX + 1);
 }
 #endif
 
 }  // namespace media