Fix focus notification for Flash fullscreen.

content/browser/renderer_host/render_widget_host_view_win.h

Index: content/browser/renderer_host/render_widget_host_view_win.h
diff --git a/content/browser/renderer_host/render_widget_host_view_win.h b/content/browser/renderer_host/render_widget_host_view_win.h
index 1a31667c3f881fa1515bea57e823ef21a9401465..01397d9c3ae47bb9ef758cfc684d05edfdb44cbf 100644
--- a/content/browser/renderer_host/render_widget_host_view_win.h
+++ b/content/browser/renderer_host/render_widget_host_view_win.h
@@ -454,7 +454,8 @@ class RenderWidgetHostViewWin
   bool about_to_validate_and_paint_;
 
   // true if the View should be closed when its HWND is deactivated (used to
-  // support SELECT popups which are closed when they are deactivated).
+  // support SELECT popups and fullscreen widgets which are closed when they are
+  // deactivated).
   bool close_on_deactivate_;
 
   // Whether Destroy() has been called.  Used to detect a crasher