Move MessageLoop to base namespace.

content/public/browser/url_data_source.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_URL_DATA_SOURCE_H_
 #define CONTENT_PUBLIC_BROWSER_URL_DATA_SOURCE_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "content/common/content_export.h"
 
+namespace base {
 class MessageLoop;
-
-namespace base {
 class RefCountedMemory;
 }
 
 namespace net {
 class URLRequest;
 }
 
 namespace content {
 class BrowserContext;
 
@@ skipping 33 matching lines @@
   // The following methods are all called on the IO thread.
 
   // Returns the MessageLoop on which the delegate wishes to have
   // StartDataRequest called to handle the request for |path|. The default
   // implementation returns BrowserThread::UI. If the delegate does not care
   // which thread StartDataRequest is called on, this should return NULL. It may
   // be beneficial to return NULL for requests that are safe to handle directly
   // on the IO thread.  This can improve performance by satisfying such requests
   // more rapidly when there is a large amount of UI thread contention. Or the
   // delegate can return a specific thread's Messageloop if they wish.
-  virtual MessageLoop* MessageLoopForRequestPath(const std::string& path) const;
+  virtual base::MessageLoop* MessageLoopForRequestPath(
+      const std::string& path) const;
 
   // Returns true if the URLDataSource should replace an existing URLDataSource
   // with the same name that has already been registered. The default is true.
   //
   // WARNING: this is invoked on the IO thread.
   //
   // TODO: nuke this and convert all callers to not replace.
   virtual bool ShouldReplaceExistingSource() const;
 
   // Returns true if responses from this URLDataSource can be cached.
@@ skipping 24 matching lines @@
   // Override in specific WebUI data sources to enable for additional schemes or
   // to implement fancier access control.  Typically used in concert with
   // ContentBrowserClient::GetAdditionalWebUISchemes() to permit additional
   // WebUI scheme support for an embedder.
   virtual bool ShouldServiceRequest(const net::URLRequest* request) const;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_URL_DATA_SOURCE_H_