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

ui/views/window/non_client_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 UI_VIEWS_WINDOW_NON_CLIENT_VIEW_H_
 #define UI_VIEWS_WINDOW_NON_CLIENT_VIEW_H_
 
 #include "ui/views/view.h"
 
 namespace gfx {
@@ skipping 30 matching lines @@
 
   // Helper for non-client view implementations to determine which area of the
   // window border the specified |point| falls within. The other parameters are
   // the size of the sizing edges, and whether or not the window can be
   // resized.
   int GetHTComponentForFrame(const gfx::Point& point,
                              int top_resize_border_height,
                              int resize_border_thickness,
                              int top_resize_corner_height,
                              int resize_corner_width,
-                             bool can_resize);
+                             bool can_resize) const;
 
   // Returns the bounds (in this View's parent's coordinates) that the client
   // view should be laid out within.
   virtual gfx::Rect GetBoundsForClientView() const = 0;
 
   virtual gfx::Rect GetWindowBoundsForClientBounds(
       const gfx::Rect& client_bounds) const = 0;
 
   // This function must ask the ClientView to do a hittest.  We don't do this in
   // the parent NonClientView because that makes it more difficult to calculate
   // hittests for regions that are partially obscured by the ClientView, e.g.
   // HTSYSMENU.
-  virtual int NonClientHitTest(const gfx::Point& point) = 0;
+  virtual int NonClientHitTest(const gfx::Point& point) const = 0;
   virtual void GetWindowMask(const gfx::Size& size,
                              gfx::Path* window_mask) = 0;
   virtual void ResetWindowControls() = 0;
   virtual void UpdateWindowIcon() = 0;
   virtual void UpdateWindowTitle() = 0;
 
   // Overridden from View:
   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
@@ skipping 91 matching lines @@
   // Subclasses can override this to perform additional actions when this value
   // changes.
   void SetInactiveRenderingDisabled(bool disable);
 
   // Returns the bounds of the window required to display the content area at
   // the specified bounds.
   gfx::Rect GetWindowBoundsForClientBounds(const gfx::Rect client_bounds) const;
 
   // Determines the windows HT* code when the mouse cursor is at the
   // specified point, in window coordinates.
-  int NonClientHitTest(const gfx::Point& point);
+  int NonClientHitTest(const gfx::Point& point) const;
 
   // Returns a mask to be used to clip the top level window for the given
   // size. This is used to create the non-rectangular window shape.
   void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask);
 
   // Tells the window controls as rendered by the NonClientView to reset
   // themselves to a normal state. This happens in situations where the
   // containing window does not receive a normal sequences of messages that
   // would lead to the controls returning to this normal state naturally, e.g.
   // when the window is maximized, minimized or restored.
@@ skipping 55 matching lines @@
 
   // The accessible name of this view.
   string16 accessible_name_;
 
   DISALLOW_COPY_AND_ASSIGN(NonClientView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WINDOW_NON_CLIENT_VIEW_H_