Further removal of unused code in old bubbles.

chrome/browser/chromeos/frame/bubble_window_views.h

-// Copyright (c) 2011 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_CHROMEOS_FRAME_BUBBLE_WINDOW_VIEWS_H_
-#define CHROME_BROWSER_CHROMEOS_FRAME_BUBBLE_WINDOW_VIEWS_H_
-#pragma once
-
-#include "chrome/browser/chromeos/frame/bubble_window_style.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "views/widget/widget.h"
-
-namespace views {
-class WidgetDelegate;
-}
-
-namespace chromeos {
-
-// A window that uses BubbleFrameView as its frame.
-class BubbleWindowViews : public views::Widget {
- public:
-  void SetBackgroundColor();
-
- protected:
-  explicit BubbleWindowViews(BubbleWindowStyle style);
-  virtual views::NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
-
- private:
-  friend class BubbleWindow;
-  BubbleWindowStyle style_;
-
-  DISALLOW_COPY_AND_ASSIGN(BubbleWindowViews);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_FRAME_BUBBLE_WINDOW_VIEWS_H_