Convert string16 to base::string16 in content.

content/child/webkitplatformsupport_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_WEBKITPLATFORMSUPPORT_IMPL_H_
 #define CONTENT_CHILD_WEBKITPLATFORMSUPPORT_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "ui/base/layout.h"
 #include "webkit/child/webkitplatformsupport_child_impl.h"
 
 namespace content {
 
 // This is a specialization of WebKitPlatformSupportImpl that implements the
 // embedder functions in terms of ContentClient.
 class CONTENT_EXPORT WebKitPlatformSupportImpl
     : NON_EXPORTED_BASE(public webkit_glue::WebKitPlatformSupportChildImpl) {
  public:
   typedef blink::WebGraphicsContext3D* (OffscreenContextFactory)();
 
   WebKitPlatformSupportImpl();
   virtual ~WebKitPlatformSupportImpl();
 
-  virtual string16 GetLocalizedString(int message_id) OVERRIDE;
+  virtual base::string16 GetLocalizedString(int message_id) OVERRIDE;
   virtual base::StringPiece GetDataResource(
       int resource_id,
       ui::ScaleFactor scale_factor) OVERRIDE;
   virtual webkit_glue::ResourceLoaderBridge* CreateResourceLoader(
       const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info)
       OVERRIDE;
   virtual webkit_glue::WebSocketStreamHandleBridge* CreateWebSocketStreamBridge(
       blink::WebSocketStreamHandle* handle,
       webkit_glue::WebSocketStreamHandleDelegate* delegate) OVERRIDE;
   virtual blink::WebSocketHandle* createWebSocketHandle() OVERRIDE;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBKITPLATFORMSUPPORT_IMPL_H_