views: Remove the implementation of about chrome dialog.

chrome/browser/ui/cocoa/browser_window_cocoa.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_COCOA_BROWSER_WINDOW_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_COCOA_H_
 
 #include "base/memory/scoped_nsobject.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 73 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 61 matching lines @@
   PrefChangeRegistrar pref_change_registrar_;
   Browser* browser_;  // weak, owned by controller
   BrowserWindowController* controller_;  // weak, owns us
   base::WeakPtrFactory<Browser> confirm_close_factory_;
   scoped_nsobject<NSString> pending_window_title_;
   ui::WindowShowState initial_show_state_;
   NSInteger attention_request_id_;  // identifier from requestUserAttention
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_COCOA_H_