Fix windowed plugins not appearing if opened in the background until the browser resizes.

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
===================================================================
--- content/browser/renderer_host/render_widget_host_view_aura.h	(revision 247553)
+++ content/browser/renderer_host/render_widget_host_view_aura.h	(working copy)
@@ -588,12 +588,6 @@
   // Helper function to set keyboard focus to the main window.
   void SetKeyboardFocus();
 
-#if defined(OS_WIN)
-  // Updates the total list of cutout rects, which is the union of transient
-  // windows and constrained windows.
-  void UpdateCutoutRects();
-#endif
-
   // The model object.
   RenderWidgetHostImpl* host_;