Refactor AppModalDialogQueue and move JS Alert boxes into a MVC.

chrome/browser/js_before_unload_handler.h

Index: chrome/browser/js_before_unload_handler.h
diff --git a/chrome/browser/js_before_unload_handler.h b/chrome/browser/js_before_unload_handler.h
deleted file mode 100644
index bdec0589d3ec50ad4fb3b37e0094177caebc070f..0000000000000000000000000000000000000000
--- a/chrome/browser/js_before_unload_handler.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// 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_JS_BEFORE_UNLOAD_HANDLER_H_
-#define CHROME_BROWSER_JS_BEFORE_UNLOAD_HANDLER_H_
-
-// This will display a modal dialog box with a header and footer asking the
-// the user if they wish to navigate away from a page, with additional text
-// |message_text| between the header and footer. The users response is
-// returned to the renderer using |reply_msg|.
-void RunBeforeUnloadDialog(WebContents* web_contents,
-                           const GURL& frame_url,
-                           const std::wstring& message_text,
-                           IPC::Message* reply_msg);
-
-#endif  // CHROME_BROWSER_JS_BEFORE_UNLOAD_HANDLER_H_