aura: Close fullscreen RenderWidgetHostViewAura on blur.

content/browser/renderer_host/render_widget_host_view_aura.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #pragma once
 
 #include <map>
 #include <vector>
@@ skipping 207 matching lines @@
 
   ui::Compositor* GetCompositor();
 
   // The model object.
   content::RenderWidgetHostImpl* host_;
 
   aura::Window* window_;
 
   scoped_ptr<WindowObserver> window_observer_;
 
+  // Are we in the process of closing?  Tracked so fullscreen views can avoid
+  // sending a second shutdown request to the host when they lose the focus
+  // after requesting shutdown for another reason (e.g. Escape key).
+  bool in_shutdown_;
+
   // Is this a fullscreen view?
   bool is_fullscreen_;
 
   // Our parent host view, if this is a popup.  NULL otherwise.
   RenderWidgetHostViewAura* popup_parent_host_view_;
 
   // Our child popup host. NULL if we do not have a child popup.
   RenderWidgetHostViewAura* popup_child_host_view_;
 
   // True when content is being loaded. Used to show an hourglass cursor.
@@ skipping 57 matching lines @@
   // These locks are the ones waiting for a texture of the right size to come
   // back from the renderer/GPU process.
   std::vector<linked_ptr<ResizeLock> > resize_locks_;
   // These locks are the ones waiting for a frame to be drawn.
   std::vector<linked_ptr<ResizeLock> > locks_pending_draw_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_