Removes the grid from ash.

ash/wm/workspace/multi_window_resize_controller.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_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_
 #define ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_
 
 #include <vector>
 
 #include "ash/ash_export.h"
@@ skipping 33 matching lines @@
   MultiWindowResizeController();
   virtual ~MultiWindowResizeController();
 
   // If necessary, shows the resize widget. |window| is the window the mouse
   // is over, |component| the edge and |point| the location of the mouse.
   void Show(aura::Window* window, int component, const gfx::Point& point);
 
   // Hides the resize widget.
   void Hide();
 
-  void set_grid_size(int grid_size) { grid_size_ = grid_size; }
-
   // MouseWatcherListenre overrides:
   virtual void MouseMovedOutOfHost() OVERRIDE;
 
   // WindowObserver overrides:
   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
 
  private:
   friend class MultiWindowResizeControllerTest;
 
   // Used to track the two resizable windows and direction.
@@ skipping 93 matching lines @@
 
   // If non-null we're in a resize loop.
   scoped_ptr<WorkspaceWindowResizer> window_resizer_;
 
   // Mouse coordinate passed to Show() in container's coodinates.
   gfx::Point show_location_in_parent_;
 
   // Bounds the widget was last shown at in screen coordinates.
   gfx::Rect show_bounds_in_screen_;
 
-  // Size of the grid.
-  int grid_size_;
-
   // Used to detect whether the mouse is over the windows. While
   // |resize_widget_| is non-NULL (ie the widget is showing) we ignore calls
   // to Show().
   scoped_ptr<views::MouseWatcher> mouse_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiWindowResizeController);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_