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

chrome/browser/ui/views/frame/app_non_client_frame_view_ash.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 CHROME_BROWSER_UI_VIEWS_FRAME_APP_NON_CLIENT_FRAME_VIEW_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_APP_NON_CLIENT_FRAME_VIEW_ASH_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 
 namespace aura {
 class Window;
 }
 
 // NonClientFrameViewAsh implementation for maximized apps.
 class AppNonClientFrameViewAsh : public BrowserNonClientFrameView {
  public:
   static const char kViewClassName[];  // visible for test
   static const char kControlWindowName[];  // visible for test
 
   AppNonClientFrameViewAsh(
       BrowserFrame* frame, BrowserView* browser_view);
   virtual ~AppNonClientFrameViewAsh();
 
   // 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;
 
   // BrowserNonClientFrameView:
   virtual gfx::Rect GetBoundsForTabStrip(
       views::View* tabstrip) const OVERRIDE;
@@ skipping 18 matching lines @@
   ControlView* control_view_;
   // The widget holding the control_view_.
   views::Widget* control_widget_;
   // Observer for browser frame close.
   scoped_ptr<FrameObserver> frame_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(AppNonClientFrameViewAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_APP_NON_CLIENT_FRAME_VIEW_ASH_H_