Replace DialogFrameView with an enhanced BubbleFrameView.

ui/views/window/dialog_delegate.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 UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_
 #define UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_
 
 #include "base/compiler_specific.h"
 #include "base/string16.h"
 #include "ui/base/accessibility/accessibility_types.h"
@@ skipping 79 matching lines @@
   // and there is no Cancel handler, so Accept is being called instead.
   virtual bool Accept(bool window_closing);
   virtual bool Accept();
 
   // Overridden from WidgetDelegate:
   virtual View* GetInitiallyFocusedView() OVERRIDE;
   virtual DialogDelegate* AsDialogDelegate() OVERRIDE;
   virtual ClientView* CreateClientView(Widget* widget) OVERRIDE;
   virtual NonClientFrameView* CreateNonClientFrameView(Widget* widget) OVERRIDE;
 
+  // Create a frame view using the new dialog style.
+  static NonClientFrameView* CreateNewStyleFrameView(Widget* widget);
+
   // Called when the window has been closed.
   virtual void OnClose() {}
 
   // A helper for accessing the DialogClientView object contained by this
   // delegate's Window.
   const DialogClientView* GetDialogClientView() const;
   DialogClientView* GetDialogClientView();
 
  protected:
   // Overridden from WindowDelegate:
@@ skipping 21 matching lines @@
   virtual const Widget* GetWidget() const OVERRIDE;
   virtual View* GetContentsView() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DialogDelegateView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_