aura: Don't lock resizes for auto-resize RWH

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index b8ad8bc1bb225ca99bc2bdee5ccf3a45daa36c3b..8dbc38fb458357500149367bc47b85d384207658 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -466,6 +466,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // suppress_next_char_events_.
   void SuppressNextCharEvents();
 
+  // Indicates whether the renderer drives the RenderWidgetHosts's size or the
+  // other way around.
+  bool should_auto_resize() { return should_auto_resize_; }
+
  protected:
   virtual RenderWidgetHostImpl* AsRenderWidgetHostImpl() OVERRIDE;