views: Get rid of DoShowAboutChromeDialog() function.

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_
 #pragma once
 
 #include <string>
 
@@ skipping 22 matching lines @@
 namespace extensions {
 class Extension;
 }
 
 namespace gfx {
 class Size;
 }
 
 namespace views {
 class View;
-class Widget;
 }
 
 namespace browser {
 
 // Shows or hides the bookmark bubble anchored to the supplied view.
 void ShowBookmarkBubbleView(views::View* anchor_view,
                             Profile* profile,
                             const GURL& url,
                             bool newly_bookmarked);
 void HideBookmarkBubbleView();
 bool IsBookmarkBubbleViewShowing();
 
 // Shows or hides the Chrome To Mobile bubble anchored to the supplied view.
 void ShowChromeToMobileBubbleView(views::View* anchor_view, Profile* profile);
 void HideChromeToMobileBubbleView();
 bool IsChromeToMobileBubbleViewShowing();
 
 // Shows the page info bubble anchored to the supplied view.
 void ShowPageInfoBubble(views::View* anchor_view,
                         Profile* profile,
                         const GURL& url,
                         const content::SSLStatus& ssl,
                         bool show_history,
                         content::PageNavigator* navigator);
 
 // Shows the about dialog. See AboutChromeView.
-views::Widget* ShowAboutChromeView(gfx::NativeWindow parent,
-                                   Profile* profile);
+void ShowAboutChromeView(gfx::NativeWindow parent, Profile* profile);
 
 // 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();
 
@@ skipping 12 matching lines @@
                                      TabContents* tab_contents);
 
 // Shows the create chrome app shortcut dialog box.
 void ShowCreateChromeAppShortcutsDialog(gfx::NativeWindow parent_window,
                                         Profile* profile,
                                         const extensions::Extension* app);
 
 }  // namespace browser
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BROWSER_DIALOGS_H_