Add a new resizer corner overlay.

chrome/views/resize_corner.h

-// Copyright (c) 2006-2008 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_VIEWS_RESIZE_CORNER_H__
-#define CHROME_VIEWS_RESIZE_CORNER_H__
-
-#include "chrome/views/view.h"
-
-namespace views {
-
-// Simple drawing of a resize corner. Has no functionality.
-class ResizeCorner : public View {
- public:
-  ResizeCorner();
-  virtual ~ResizeCorner();
-
-  // View
-  virtual void Paint(ChromeCanvas* canvas);
-
- private:
-  DISALLOW_EVIL_CONSTRUCTORS(ResizeCorner);
-};
-
-}  // namespace views
-
-#endif  // CHROME_VIEWS_RESIZE_CORNER_H__
-