views: Remove the implementation of about chrome dialog.

chrome/browser/ui/views/browser_dialogs.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_UI_VIEWS_BROWSER_DIALOGS_H_
 #define CHROME_BROWSER_UI_VIEWS_BROWSER_DIALOGS_H_
 
 #include "ui/gfx/native_widget_types.h"
 
 // This file contains functions for running a variety of browser dialogs and
@@ skipping 42 matching lines @@
 bool IsChromeToMobileBubbleViewShowing();
 
 // Shows the page info bubble anchored to the supplied view.
 void ShowPageInfoBubble(views::View* anchor_view,
                         content::WebContents* web_contents,
                         const GURL& url,
                         const content::SSLStatus& ssl,
                         bool show_history,
                         content::PageNavigator* navigator);
 
-// Shows the about dialog. See AboutChromeView.
-void ShowAboutChromeView(gfx::NativeWindow parent, Browser* browser);
-
 // Creates and returns a find bar for the given browser window. See FindBarWin.
 FindBar* CreateFindBar(BrowserView* browser_view);
 
 // Shows the Task Manager.
 void ShowTaskManager();
 
 // Shows the Task Manager, highlighting the background pages.
 void ShowBackgroundPages();
 
 // Shows a dialog box that allows a search engine to be edited. |template_url|
 // is the search engine being edited. If it is NULL, then the dialog will add a
 // new search engine with the data the user supplies. |delegate| is an object
 // to be notified when the user is done editing, or NULL. If NULL, the dialog
 // will update the model with the user's edits directly.
 void EditSearchEngine(gfx::NativeWindow parent,
                       TemplateURL* template_url,
                       EditSearchEngineControllerDelegate* delegate,
                       Profile* profile);
 
 // Shows the create chrome app shortcut dialog box.
 void ShowCreateChromeAppShortcutsDialog(gfx::NativeWindow parent_window,
                                         Profile* profile,
                                         const extensions::Extension* app);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BROWSER_DIALOGS_H_