views: Remove the implementation of about chrome dialog.

chrome/browser/ui/gtk/browser_window_gtk.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_GTK_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <string>
@@ skipping 102 matching lines @@
   virtual void RotatePaneFocus(bool forwards) OVERRIDE;
   virtual bool IsBookmarkBarVisible() const OVERRIDE;
   virtual bool IsBookmarkBarAnimating() const OVERRIDE;
   virtual bool IsTabStripEditable() const OVERRIDE;
   virtual bool IsToolbarVisible() const OVERRIDE;
   virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE;
   virtual bool IsPanel() const OVERRIDE;
   virtual void ConfirmAddSearchProvider(TemplateURL* template_url,
                                         Profile* profile) OVERRIDE;
   virtual void ToggleBookmarkBar() OVERRIDE;
-  virtual void ShowAboutChromeDialog() OVERRIDE;
   virtual void ShowUpdateChromeDialog() OVERRIDE;
   virtual void ShowTaskManager() OVERRIDE;
   virtual void ShowBackgroundPages() OVERRIDE;
   virtual void ShowBookmarkBubble(const GURL& url,
                                   bool already_bookmarked) OVERRIDE;
   virtual void ShowChromeToMobileBubble() OVERRIDE;
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   virtual void ShowOneClickSigninBubble(
       const StartSyncCallback& start_sync_callback) OVERRIDE;
 #endif
@@ skipping 439 matching lines @@
   scoped_ptr<FullscreenExitBubbleGtk> fullscreen_exit_bubble_;
 
   FullscreenExitBubbleType fullscreen_exit_bubble_type_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_