Use base::MessageLoop in more files.

chrome/browser/devtools/devtools_adb_bridge.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 "chrome/browser/devtools/devtools_adb_bridge.h"
 
 #include <map>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 567 matching lines @@
   instance_ = this;
   thread_ = new base::Thread(kDevToolsAdbBridgeThreadName);
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   if (!thread_->StartWithOptions(options)) {
     delete thread_;
     thread_ = NULL;
   }
 }
 
-MessageLoop* DevToolsAdbBridge::RefCountedAdbThread::message_loop() {
+base::MessageLoop* DevToolsAdbBridge::RefCountedAdbThread::message_loop() {
   return thread_ ? thread_->message_loop() : NULL;
 }
 
 // static
 void DevToolsAdbBridge::RefCountedAdbThread::StopThread(base::Thread* thread) {
   thread->Stop();
 }
 
 DevToolsAdbBridge::RefCountedAdbThread::~RefCountedAdbThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 48 matching lines @@
   if (!has_message_loop_)
     return;
 
   scoped_refptr<AdbAttachCommand> command(
       new AdbAttachCommand(weak_factory_.GetWeakPtr(), serial, socket,
                            debug_url, frontend_url));
   adb_thread_->message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&AdbAttachCommand::Run, command));
 }