Initial cut at layerless windows.

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index ef60e84a5883ad0d49429ced7081fca391deacaf..29b0d0eb77a782e8fb5a8668d3d67db55bcbf836 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -1111,12 +1111,11 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // recurses through all children. This is used when adding a layer to an
   // existing view to make sure all descendants that have layers are parented to
   // the right layer.
-  virtual void MoveLayerToParent(ui::Layer* parent_layer,
-                                 const gfx::Point& point);
+  void MoveLayerToParent(ui::Layer* parent_layer, const gfx::Point& point);
 
   // Called to update the bounds of any child layers within this View's
   // hierarchy when something happens to the hierarchy.
-  virtual void UpdateChildLayerBounds(const gfx::Vector2d& offset);
+  void UpdateChildLayerBounds(const gfx::Vector2d& offset);
 
   // Overridden from ui::LayerDelegate:
   virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE;