Add WebContents* to some more WebContentsDelegate methods

chrome/browser/chromeos/login/registration_screen.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/registration_screen.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
@@ skipping 98 matching lines @@
   } else {
     source->Stop();
     // Host registration page and actual registration page hosted by
     // OEM partner doesn't contain links to external URLs.
     LOG(WARNING) << "Navigate to unsupported url: " << params.url.spec();
   }
   return NULL;
 }
 
 void RegistrationScreen::HandleKeyboardEvent(
+    content::WebContents* source,
     const NativeWebKeyboardEvent& event) {
   unhandled_keyboard_handler_.HandleKeyboardEvent(event,
                                                   view()->GetFocusManager());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // RegistrationScreen, private:
 void RegistrationScreen::CloseScreen(ScreenObserver::ExitCodes code) {
   StopTimeoutTimer();
   // Disable input methods since they are not necessary to input username and
   // password.
   if (g_browser_process) {
     const std::string locale = g_browser_process->GetApplicationLocale();
     input_method::InputMethodManager* manager =
         input_method::InputMethodManager::GetInstance();
     manager->EnableLayouts(locale, "");
   }
   delegate()->GetObserver()->OnExit(code);
 }
 
 // static
 net::URLRequestJob* RegistrationScreen::Factory(net::URLRequest* request,
                                                 const std::string& scheme) {
   VLOG(1) << "Handling url: " << request->url().spec().c_str();
   return new net::URLRequestAboutJob(request);
 }
 
 }  // namespace chromeos