Fixes use after free caused by delete in RootWindowController

ui/aura/window.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_AURA_WINDOW_H_
 #define UI_AURA_WINDOW_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 62 matching lines @@
   // Creates a new layer for the window. Erases the layer-owned bounds, so the
   // caller may wish to set new bounds and other state on the window/layer.
   // Returns the old layer, which can be used for animations. Caller owns the
   // memory for the returned layer and must delete it when animation completes.
   // Returns NULL and does not recreate layer if window does not own its layer.
   ui::Layer* RecreateLayer() WARN_UNUSED_RESULT;
 
   void set_owned_by_parent(bool owned_by_parent) {
     owned_by_parent_ = owned_by_parent;
   }
+  bool owned_by_parent() const { return owned_by_parent_; }
 
   // A type is used to identify a class of Windows and customize behavior such
   // as event handling and parenting.  This field should only be consumed by the
   // shell -- Aura itself shouldn't contain type-specific logic.
   client::WindowType type() const { return type_; }
   void SetType(client::WindowType type);
 
   int id() const { return id_; }
   void set_id(int id) { id_ = id; }
 
@@ skipping 427 matching lines @@
   };
 
   std::map<const void*, Value> prop_map_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_H_