Make the maximize button more easily hittable when there is a huge amount of tabs present

ash/wm/panels/panel_frame_view.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 ASH_WM_PANELS_PANEL_FRAME_VIEW_H_
 #define ASH_WM_PANELS_PANEL_FRAME_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "ui/aura/aura_export.h"
@@ skipping 26 matching lines @@
   // Overridden from views::View:
   virtual const char* GetClassName() const OVERRIDE;
 
  private:
   void InitFramePainter();
 
   // Overridden from views::NonClientFrameView:
   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
   virtual gfx::Rect GetWindowBoundsForClientBounds(
       const gfx::Rect& client_bounds) const OVERRIDE;
-  virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
+  virtual int NonClientHitTest(const gfx::Point& point) const OVERRIDE;
   virtual void GetWindowMask(const gfx::Size& size,
                              gfx::Path* window_mask) OVERRIDE;
   virtual void ResetWindowControls() OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
 
   // Overridden from views::View:
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
@@ skipping 11 matching lines @@
   views::ImageButton* window_icon_;
   gfx::Rect client_view_bounds_;
   const gfx::Font title_font_;
 
   DISALLOW_COPY_AND_ASSIGN(PanelFrameView);
 };
 
 }
 
 #endif // ASH_WM_PANELS_PANEL_FRAME_VIEW_H_