Revert of [media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

media/filters/fake_demuxer_stream.cc

 // Copyright (c) 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/filters/fake_demuxer_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/test_helpers.h"
 #include "media/base/video_frame.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace media {
 
 const int kStartTimestampMs = 0;
 const int kDurationMs = 30;
 const int kStartWidth = 320;
 const int kStartHeight = 240;
 const int kWidthDelta = 4;
 const int kHeightDelta = 3;
 const uint8 kKeyId[] = { 0x00, 0x01, 0x02, 0x03 };
 const uint8 kIv[] = {
   0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 };
 
 FakeDemuxerStream::FakeDemuxerStream(int num_configs,
                                      int num_buffers_in_one_config,
                                      bool is_encrypted)
-    : task_runner_(base::ThreadTaskRunnerHandle::Get()),
+    : task_runner_(base::MessageLoopProxy::current()),
       num_configs_(num_configs),
       num_buffers_in_one_config_(num_buffers_in_one_config),
       config_changes_(num_configs > 1),
       is_encrypted_(is_encrypted),
       read_to_hold_(-1) {
   DCHECK_GT(num_configs, 0);
   DCHECK_GT(num_buffers_in_one_config, 0);
   Initialize();
   UpdateVideoDecoderConfig();
 }
@@ skipping 139 matching lines @@
 
   num_buffers_left_in_current_config_--;
   if (num_buffers_left_in_current_config_ == 0)
     num_configs_left_--;
 
   num_buffers_returned_++;
   base::ResetAndReturn(&read_cb_).Run(kOk, buffer);
 }
 
 }  // namespace media