[chrome/renderer/media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/renderer/media/chrome_webrtc_log_message_delegate.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 "chrome/renderer/media/chrome_webrtc_log_message_delegate.h"
 
 #include "base/logging.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
 #include "chrome/common/partial_circular_buffer.h"
 #include "chrome/renderer/media/webrtc_logging_message_filter.h"
 
 ChromeWebRtcLogMessageDelegate::ChromeWebRtcLogMessageDelegate(
-    const scoped_refptr<base::MessageLoopProxy>& io_message_loop,
+    const scoped_refptr<base::SingleThreadTaskRunner>& io_message_loop,
     WebRtcLoggingMessageFilter* message_filter)
     : io_message_loop_(io_message_loop),
       logging_started_(false),
       message_filter_(message_filter) {
   content::InitWebRtcLoggingDelegate(this);
 }
 
 ChromeWebRtcLogMessageDelegate::~ChromeWebRtcLogMessageDelegate() {
   DCHECK(CalledOnValidThread());
 }
@@ skipping 56 matching lines @@
 }
 
 void ChromeWebRtcLogMessageDelegate::SendLogBuffer() {
   DCHECK(CalledOnValidThread());
   if (logging_started_ && message_filter_) {
     message_filter_->AddLogMessages(log_buffer_);
     last_log_buffer_send_ = base::TimeTicks::Now();
   }
   log_buffer_.clear();
 }