Convert string16 to base::string16 in content.

content/public/renderer/content_renderer_client.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_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 101 matching lines @@
   // message describing the error that has occurred.
   // Either of the out parameters may be not written to in certain cases
   // (lack of information on the error code) so the caller should take care to
   // initialize the string values with safe defaults before the call.
   virtual void GetNavigationErrorStrings(
       blink::WebFrame* frame,
       const blink::WebURLRequest& failed_request,
       const blink::WebURLError& error,
       const std::string& accept_languages,
       std::string* error_html,
-      string16* error_description) {}
+      base::string16* error_description) {}
 
   // Allows the embedder to control when media resources are loaded. Embedders
   // can run |closure| immediately if they don't wish to defer media resource
   // loading.
   virtual void DeferMediaLoad(RenderView* render_view,
                               const base::Closure& closure);
 
   // Allows the embedder to override creating a WebMediaStreamCenter. If it
   // returns NULL the content layer will create the stream center.
   virtual blink::WebMediaStreamCenter* OverrideCreateWebMediaStreamCenter(
@@ skipping 130 matching lines @@
 
   // Creates a permission client proxy for in-renderer worker.
   virtual blink::WebWorkerPermissionClientProxy*
       CreateWorkerPermissionClientProxy(RenderView* render_view,
                                         blink::WebFrame* frame);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_