Revert 157773 - This is followup from Charlie's comments on Fady's cl: http://chromiumcodereview.ap…

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
===================================================================
--- content/browser/renderer_host/render_widget_host_impl.h	(revision 157800)
+++ content/browser/renderer_host/render_widget_host_impl.h	(working copy)
@@ -412,13 +412,6 @@
   virtual void RemoveLayer(WebKit::WebLayer* layer) {}
 #endif
 
-  // Resets state variables related to tracking pending size and painting.
-  //
-  // We need to reset these flags when we want to repaint the contents of
-  // browser plugin in this RWH. Resetting these flags will ensure we ignore
-  // any previous pending acks that are not relevant upon repaint.
-  void ResetSizeAndRepaintPendingFlags();
-
  protected:
   virtual RenderWidgetHostImpl* AsRenderWidgetHostImpl() OVERRIDE;