Refactor AppModalDialogQueue and move JS Alert boxes into a MVC.

chrome/browser/renderer_host/render_view_host_delegate.h

 // Copyright (c) 2006-2008 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_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 277 matching lines @@
                               const std::wstring& filter) { }
 
   // A javascript message, confirmation or prompt should be shown.
   virtual void RunJavaScriptMessage(const std::wstring& message,
                                     const std::wstring& default_prompt,
                                     const GURL& frame_url,
                                     const int flags,
                                     IPC::Message* reply_msg,
                                     bool* did_suppress_message) { }
 
-  virtual void RunBeforeUnloadConfirm(const GURL& frame_url,
-                                      const std::wstring& message,
+  virtual void RunBeforeUnloadConfirm(const std::wstring& message,
                                       IPC::Message* reply_msg) { }
 
   // Display this RenderViewHost in a modal fashion.
   virtual void RunModal(IPC::Message* reply_msg) { }
 
   virtual void ShowModalHTMLDialog(const GURL& url, int width, int height,
                                    const std::string& json_arguments,
                                    IPC::Message* reply_msg) { }
 
   // Password forms have been detected in the page.
@@ skipping 113 matching lines @@
 
   // A find operation in the current page completed.
   virtual void OnFindReply(int request_id,
                            int number_of_matches,
                            const gfx::Rect& selection_rect,
                            int active_match_ordinal,
                            bool final_update) { }
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_