[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_task_runner,
     WebRtcLoggingMessageFilter* message_filter)
-    : io_message_loop_(io_message_loop),
+    : io_task_runner_(io_task_runner),
       logging_started_(false),
       message_filter_(message_filter) {
   content::InitWebRtcLoggingDelegate(this);
 }
 
 ChromeWebRtcLogMessageDelegate::~ChromeWebRtcLogMessageDelegate() {
   DCHECK(CalledOnValidThread());
 }
 
 void ChromeWebRtcLogMessageDelegate::LogMessage(const std::string& message) {
   WebRtcLoggingMessageData data(base::Time::Now(), message);
 
-  io_message_loop_->PostTask(
+  io_task_runner_->PostTask(
       FROM_HERE, base::Bind(
           &ChromeWebRtcLogMessageDelegate::LogMessageOnIOThread,
           base::Unretained(this),
           data));
 }
 
 void ChromeWebRtcLogMessageDelegate::LogMessageOnIOThread(
     const WebRtcLoggingMessageData& message) {
   DCHECK(CalledOnValidThread());
 
   if (logging_started_ && message_filter_) {
     if (!log_buffer_.empty()) {
       // A delayed task has already been posted for sending the buffer contents.
       // Just add the message to the buffer.
       log_buffer_.push_back(message);
       return;
     }
 
     log_buffer_.push_back(message);
 
     if (base::TimeTicks::Now() - last_log_buffer_send_ >
         base::TimeDelta::FromMilliseconds(100)) {
       SendLogBuffer();
     } else {
-      io_message_loop_->PostDelayedTask(
+      io_task_runner_->PostDelayedTask(
           FROM_HERE,
           base::Bind(&ChromeWebRtcLogMessageDelegate::SendLogBuffer,
                      base::Unretained(this)),
           base::TimeDelta::FromMilliseconds(200));
     }
   }
 }
 
 void ChromeWebRtcLogMessageDelegate::OnFilterRemoved() {
   DCHECK(CalledOnValidThread());
@@ skipping 16 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();
 }