Revert 115297 - Add overflow indicator count on Windows.

chrome/browser/ui/panels/panel_overflow_indicator.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_UI_PANELS_PANEL_OVERFLOW_INDICATOR_H_
-#define CHROME_BROWSER_UI_PANELS_PANEL_OVERFLOW_INDICATOR_H_
-#pragma once
-
-#include "ui/gfx/rect.h"
-
-// An interfac that encapsulates the logic to support showing the overflow
-// indicator count "+N" for different platform.
-class PanelOverflowIndicator {
- public:
-  static PanelOverflowIndicator* Create();
-
-  virtual ~PanelOverflowIndicator() { }
-
-  // Returns the height of indicator widget.
-  virtual int GetHeight() const = 0;
-
-  // Gets or sets the bounds, in screen coordinates.
-  virtual gfx::Rect GetBounds() const = 0;
-  virtual void SetBounds(const gfx::Rect& bounds) = 0;
-
-  // The count value reflects the number of additional overflow panels that are
-  // not shown.
-  virtual int GetCount() const = 0;
-  virtual void SetCount(int count) = 0;
-
-  // The indicator's background could be changed to draw the user's attention.
-  virtual void DrawAttention() = 0;
-  virtual void StopDrawingAttention() = 0;
-  virtual bool IsDrawingAttention() const = 0;
-};
-
-#endif  // CHROME_BROWSER_UI_PANELS_PANEL_OVERFLOW_INDICATOR_H_