views: Get rid of DoShowAboutChromeDialog() function.

chrome/browser/ui/views/frame/browser_view.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_FRAME_BROWSER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 524 matching lines @@
   void UpdateAcceleratorMetrics(const ui::Accelerator& accelerator,
                                 int command_id);
 
   // Invoked from ActiveTabChanged or when instant is made active.
   // |new_contents| must not be NULL.
   void ProcessTabSelected(TabContents* new_contents);
 
   // Exposes resize corner size to BrowserViewLayout.
   gfx::Size GetResizeCornerSize() const;
 
-  // Shows the about chrome modal dialog and returns the Window object.
-  views::Widget* DoShowAboutChromeDialog();
-
   // Set the value of |toolbar_| and hook it into the views hierarchy
   void SetToolbar(ToolbarView* toolbar);
 
   // Create an icon for this window in the launcher (currently only for Ash).
   void CreateLauncherIcon();
 
   // Last focused view that issued a tab traversal.
   int last_focused_view_storage_id_;
 
   // The BrowserFrame that hosts this view.
@@ skipping 139 matching lines @@
   bool force_location_bar_focus_;
 
   PendingFullscreenRequest fullscreen_request_;
 
   gfx::ScopedSysColorChangeListener color_change_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_