aura: Move Window::ContainsMouse() implementation into the test API.

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 453 matching lines @@
   virtual bool CanAcceptEvent(const ui::Event& event) OVERRIDE;
   virtual EventTarget* GetParentTarget() OVERRIDE;
   virtual scoped_ptr<ui::EventTargetIterator> GetChildIterator() const OVERRIDE;
   virtual ui::EventTargeter* GetEventTargeter() OVERRIDE;
   virtual void ConvertEventToTarget(ui::EventTarget* target,
                                     ui::LocatedEvent* event) OVERRIDE;
 
   // Updates the layer name based on the window's name and id.
   void UpdateLayerName();
 
-  // Returns true if the mouse is currently within our bounds.
-  bool ContainsMouse();
-
   // Returns the first ancestor (starting at |this|) with a layer. |offset| is
   // set to the offset from |this| to the first ancestor with a layer. |offset|
   // may be NULL.
   Window* GetAncestorWithLayer(gfx::Vector2d* offset) {
     return const_cast<Window*>(
         const_cast<const Window*>(this)->GetAncestorWithLayer(offset));
   }
   const Window* GetAncestorWithLayer(gfx::Vector2d* offset) const;
 
   // Bounds of this window relative to the parent. This is cached as the bounds
@@ skipping 54 matching lines @@
   };
 
   std::map<const void*, Value> prop_map_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_H_