Refactor AppModalDialogQueue and move JS Alert boxes into a MVC.

chrome/browser/tab_contents/web_contents.cc

Index: chrome/browser/tab_contents/web_contents.cc
diff --git a/chrome/browser/tab_contents/web_contents.cc b/chrome/browser/tab_contents/web_contents.cc
index ee734d4f5cec01d0035481f63615eac211d530d4..9cd5550a94ebe433be47bb6c36dcc3e8a3a851d6 100644
--- a/chrome/browser/tab_contents/web_contents.cc
+++ b/chrome/browser/tab_contents/web_contents.cc
@@ -20,7 +20,6 @@
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/gears_integration.h"
 #include "chrome/browser/google_util.h"
-#include "chrome/browser/js_before_unload_handler.h"
 #include "chrome/browser/jsmessage_box_handler.h"
 #include "chrome/browser/load_from_memory_cache_details.h"
 #include "chrome/browser/load_notification_details.h"
@@ -1194,10 +1193,9 @@ void WebContents::RunJavaScriptMessage(
   }
 }
 
-void WebContents::RunBeforeUnloadConfirm(const GURL& frame_url,
-                                         const std::wstring& message,
+void WebContents::RunBeforeUnloadConfirm(const std::wstring& message,
                                          IPC::Message* reply_msg) {
-  RunBeforeUnloadDialog(this, frame_url, message, reply_msg);
+  RunBeforeUnloadDialog(this, message, reply_msg);
 }
 
 void WebContents::ShowModalHTMLDialog(const GURL& url, int width, int height,