Ensure View invalidates Widget::root_layers_ when LayerOwner::RecreateLayer is invoked

ui/views/view.cc

 // 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.
 
 #define _USE_MATH_DEFINES // For VC++ to get M_PI. This has to be first.
 
 #include "ui/views/view.h"
 
 #include <algorithm>
 #include <cmath>
@@ skipping 450 matching lines @@
     return;
 
   paint_to_layer_ = paint_to_layer;
   if (paint_to_layer_ && !layer()) {
     CreateLayer();
   } else if (!paint_to_layer_ && layer()) {
     DestroyLayer();
   }
 }
 
+scoped_ptr<ui::Layer> View::RecreateLayer() {
+  scoped_ptr<ui::Layer> old_layer = LayerOwner::RecreateLayer();
+  Widget* widget = GetWidget();
+  if (widget)
+    widget->UpdateRootLayers();
+  return old_layer.Pass();
+}
+
 // RTL positioning -------------------------------------------------------------
 
 gfx::Rect View::GetMirroredBounds() const {
   gfx::Rect bounds(bounds_);
   bounds.set_x(GetMirroredX());
   return bounds;
 }
 
 gfx::Point View::GetMirroredPosition() const {
   return gfx::Point(GetMirroredX(), y());
@@ skipping 1890 matching lines @@
   // Message the RootView to do the drag and drop. That way if we're removed
   // the RootView can detect it and avoid calling us back.
   gfx::Point widget_location(event.location());
   ConvertPointToWidget(this, &widget_location);
   widget->RunShellDrag(this, data, widget_location, drag_operations, source);
   // WARNING: we may have been deleted.
   return true;
 }
 
 }  // namespace views