Makes windows scale slightly when dragging the caption. Also wired

ash/wm/window_resizer.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_WINDOW_RESIZER_H_
 #define ASH_WM_WINDOW_RESIZER_H_
 #pragma once
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
@@ skipping 34 matching lines @@
 
   // Returns a location >= |location| that is aligned to fall on increments of
   // |grid_size|.
   static int AlignToGrid(int location, int grid_size);
 
   // Invoked to drag/move/resize the window. |location| is in the coordinates
   // of the window supplied to the constructor.
   void Drag(const gfx::Point& location);
 
   // Invoked to complete the drag.
-  void CompleteDrag();
+  virtual void CompleteDrag();
+
+  // Reverts the drag.
+  virtual void RevertDrag();
 
   // Returns true if the drag will result in changing the window in anyway.
   bool is_resizable() const { return is_resizable_; }
 
   // See description above members for details.
   const gfx::Rect& initial_bounds() const { return initial_bounds_; }
   const gfx::Point& initial_location_in_parent() const {
     return initial_location_in_parent_;
   }
   int window_component() const { return window_component_; }
@@ skipping 56 matching lines @@
   bool did_move_or_resize_;
 
   internal::RootWindowEventFilter* root_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowResizer);
 };
 
 }  // namespace aura
 
 #endif  // ASH_WM_WINDOW_RESIZER_H_