Removes the grid from ash.

ash/wm/workspace/multi_window_resize_controller.cc

 // 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.
 
 #include "ash/wm/workspace/multi_window_resize_controller.h"
 
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_animations.h"
@@ skipping 130 matching lines @@
 }
 
 bool MultiWindowResizeController::ResizeWindows::Equals(
     const ResizeWindows& other) const {
   return window1 == other.window1 &&
       window2 == other.window2 &&
       direction == other.direction;
 }
 
 MultiWindowResizeController::MultiWindowResizeController()
-    : resize_widget_(NULL),
-      grid_size_(0) {
+    : resize_widget_(NULL){
 }
 
 MultiWindowResizeController::~MultiWindowResizeController() {
   Hide();
 }
 
 void MultiWindowResizeController::Show(Window* window,
                                        int component,
                                        const gfx::Point& point_in_window) {
   // When the resize widget is showing we ignore Show() requests. Instead we
@@ skipping 343 matching lines @@
 
   gfx::Point window_loc(location_in_screen);
   aura::Window::ConvertPointToTarget(
       window->GetRootWindow(), window, &window_loc);
   return window->HitTest(window_loc) &&
       window->delegate()->GetNonClientComponent(window_loc) == component;
 }
 
 }  // namespace internal
 }  // namespace ash