Remove DialogDelegate::UseNewStyle and unused code.

chrome/browser/ui/views/extensions/media_galleries_dialog_views.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_EXTENSIONS_MEDIA_GALLERIES_DIALOG_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_MEDIA_GALLERIES_DIALOG_VIEWS_H_
 
 #include <map>
 
 #include "base/compiler_specific.h"
@@ skipping 22 matching lines @@
  public:
   explicit MediaGalleriesDialogViews(
       MediaGalleriesDialogController* controller);
   virtual ~MediaGalleriesDialogViews();
 
   // MediaGalleriesDialog implementation:
   virtual void UpdateGalleries() OVERRIDE;
 
   // views::DialogDelegate implementation:
   virtual string16 GetWindowTitle() const OVERRIDE;
-  virtual bool ShouldShowWindowTitle() const OVERRIDE;
   virtual void DeleteDelegate() OVERRIDE;
   virtual views::Widget* GetWidget() OVERRIDE;
   virtual const views::Widget* GetWidget() const OVERRIDE;
   virtual views::View* GetContentsView() OVERRIDE;
   virtual string16 GetDialogButtonLabel(ui::DialogButton button) const OVERRIDE;
   virtual bool IsDialogButtonEnabled(ui::DialogButton button) const OVERRIDE;
   virtual ui::ModalType GetModalType() const OVERRIDE;
   virtual views::View* CreateExtraView() OVERRIDE;
   virtual bool Cancel() OVERRIDE;
   virtual bool Accept() OVERRIDE;
@@ skipping 50 matching lines @@
 
   // True if the user has pressed accept.
   bool accepted_;
 
   scoped_ptr<views::MenuRunner> context_menu_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaGalleriesDialogViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_MEDIA_GALLERIES_DIALOG_VIEWS_H_