Don't destroy RenderWidgetCompositor during DoDeferredClose

content/renderer/render_widget.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 CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 153 matching lines @@
   virtual blink::WebRect rootWindowRect();
   virtual blink::WebScreenInfo screenInfo();
   virtual float deviceScaleFactor();
   virtual void resetInputMethod();
   virtual void didHandleGestureEvent(const blink::WebGestureEvent& event,
                                      bool event_cancelled);
   virtual void showImeIfNeeded();
 
   // Begins the compositor's scheduler to start producing frames.
   void StartCompositor();
-
-  // Stop compositing.
-  void DestroyLayerTreeView();
+  void StopCompositor();
 
   // Called when a plugin is moved.  These events are queued up and sent with
   // the next paint or scroll message to the host.
   void SchedulePluginMove(const WebPluginGeometry& move);
 
   // Called when a plugin window has been destroyed, to make sure the currently
   // pending moves don't try to reference it.
   void CleanupWindowInPluginMoves(gfx::PluginWindowHandle window);
 
   RenderWidgetCompositor* compositor() const;
@@ skipping 561 matching lines @@
   ui::MenuSourceType context_menu_source_type_;
   bool has_host_context_menu_location_;
   gfx::Point host_context_menu_location_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_