Use a direct include of the message_loop header in content/, part 4.

content/worker/websharedworkerclient_proxy.cc

 // Copyright (c) 2012 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 "content/worker/websharedworkerclient_proxy.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "content/child/fileapi/file_system_dispatcher.h"
 #include "content/child/fileapi/webfilesystem_callback_adapters.h"
 #include "content/child/quota_dispatcher.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/common/worker_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/worker/shared_worker_devtools_agent.h"
 #include "content/worker/websharedworker_stub.h"
 #include "content/worker/worker_thread.h"
 #include "content/worker/worker_webapplicationcachehost_impl.h"
 #include "ipc/ipc_logging.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFileSystemCallbacks.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
 
 using WebKit::WebApplicationCacheHost;
 using WebKit::WebFrame;
 using WebKit::WebMessagePortChannel;
 using WebKit::WebMessagePortChannelArray;
 using WebKit::WebSecurityOrigin;
 using WebKit::WebString;
 using WebKit::WebWorker;
 using WebKit::WebSharedWorkerClient;
 
@@ skipping 173 matching lines @@
   // page. It's ok to post several of theese, because the first executed task
   // will exit the message loop and subsequent ones won't be executed.
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&WebSharedWorkerClientProxy::workerContextDestroyed,
                  weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromSeconds(kMaxTimeForRunawayWorkerSeconds));
 }
 
 }  // namespace content