Update WebFrameClient::didClearWindowObject API

content/renderer/web_ui_mojo.h

 // Copyright 2014 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_RENDERER_WEB_UI_MOJO_H_
 #define CONTENT_RENDERER_WEB_UI_MOJO_H_
 
 #include <string>
 
 #include "content/public/renderer/render_frame_observer.h"
@@ skipping 47 matching lines @@
   // Invoked when the frame finishes loading. Invokes SetHandleOnContextState()
   // if necessary.
   void OnDidFinishDocumentLoad();
 
   // Invokes SetHandle() on the WebUIMojoContextState (if there is one).
   void SetHandleOnContextState(mojo::ScopedMessagePipeHandle handle);
 
   WebUIMojoContextState* GetContextState();
 
   // RenderViewObserver overrides:
-  virtual void DidClearWindowObject(blink::WebLocalFrame* frame,
-                                    int world_id) OVERRIDE;
+  virtual void DidClearWindowObject(blink::WebLocalFrame* frame) OVERRIDE;
 
   MainFrameObserver main_frame_observer_;
 
   // Set to true in DidFinishDocumentLoad(). 'main' is only executed once this
   // happens.
   bool did_finish_document_load_;
 
   // If SetBrowserHandle() is invoked before the document finishes loading the
   // MessagePipeHandle is stored here. When the document finishes loading
   // SetHandleOnContextState() is invoked to send the handle to the
   // WebUIMojoContextState and ultimately the page.
   mojo::ScopedMessagePipeHandle pending_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIMojo);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_WEB_UI_MOJO_H_