Revert of [media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

media/base/fake_text_track_stream.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/base/fake_text_track_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
 #include "media/base/decoder_buffer.h"
 #include "media/filters/webvtt_util.h"
 
 namespace media {
 
 FakeTextTrackStream::FakeTextTrackStream()
-    : task_runner_(base::ThreadTaskRunnerHandle::Get()),
+    : task_runner_(base::MessageLoopProxy::current()),
       stopping_(false) {
 }
 
 FakeTextTrackStream::~FakeTextTrackStream() {
   DCHECK(read_cb_.is_null());
 }
 
 void FakeTextTrackStream::Read(const ReadCB& read_cb) {
   DCHECK(!read_cb.is_null());
   DCHECK(read_cb_.is_null());
@@ skipping 57 matching lines @@
   base::ResetAndReturn(&read_cb_).Run(kOk, DecoderBuffer::CreateEOSBuffer());
 }
 
 void FakeTextTrackStream::Stop() {
   stopping_ = true;
   if (!read_cb_.is_null())
     AbortPendingRead();
 }
 
 }  // namespace media