Cleanup: remove Details::window. Use GetTarget() when possible

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_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 50 matching lines @@
  protected:
   struct Details {
     Details();
     Details(aura::Window* window,
             const gfx::Point& location,
             int window_component,
             aura::client::WindowMoveSource source);
     ~Details();
 
     // The window we're resizing.
-    // TODO(oshima): replace this with accessor method to
-    // |window_state->window()|.
-    aura::Window* window;
+    aura::Window* window() const;
 
     // The ash window state for the |window| above.
     wm::WindowState* window_state;
 
     // Initial bounds of the window in parent coordinates.
     gfx::Rect initial_bounds_in_parent;
 
     // Restore bounds (in screen coordinates) of the window before the drag
     // started. Only set if the window is normal and is being dragged.
     gfx::Rect restore_bounds;
@@ skipping 64 matching lines @@
 // initialized with NULL if |window| should not be resized nor dragged.
 ASH_EXPORT scoped_ptr<WindowResizer> CreateWindowResizer(
     aura::Window* window,
     const gfx::Point& point_in_parent,
     int window_component,
     aura::client::WindowMoveSource source);
 
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_RESIZER_H_