Add WebContents* to some more WebContentsDelegate methods

chrome/browser/chromeos/login/registration_screen.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 CHROME_BROWSER_CHROMEOS_LOGIN_REGISTRATION_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_REGISTRATION_SCREEN_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 53 matching lines @@
   virtual void CreateView() OVERRIDE;
   virtual void Refresh() OVERRIDE;
   virtual RegistrationView* AllocateView() OVERRIDE;
 
   // content::WebContentsDelegate implementation:
   virtual content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) OVERRIDE;
 
   virtual void HandleKeyboardEvent(
+      content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
 
   // WebPageScreen implementation:
   virtual void CloseScreen(ScreenObserver::ExitCodes code) OVERRIDE;
 
   UnhandledKeyboardEventHandler unhandled_keyboard_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(RegistrationScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_REGISTRATION_SCREEN_H_