Revert of Correctly update the popup window position (patchset #6 id:160001 of https://codereview.c…

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index f889d1fadf60bad971801d37f1da52cfc2b3b0c3..818fcdc232908412d4ff4eb76f9097bf88b60cd8 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -328,9 +328,6 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
     return delegated_frame_host_.get();
   }
 
-  // Returns the top level window that is hosting the renderwidget.
-  virtual aura::Window* GetToplevelWindow();
-
  private:
   friend class DelegatedFrameHostClientAura;
   friend class InputMethodAuraTestBase;