Clear page display after navigation if no rendered output arrives

content/browser/frame_host/render_widget_host_view_child_frame.h

Index: content/browser/frame_host/render_widget_host_view_child_frame.h
diff --git a/content/browser/frame_host/render_widget_host_view_child_frame.h b/content/browser/frame_host/render_widget_host_view_child_frame.h
index 2a2b89a58b7c2303ce553358c727466979106d7c..a608570b2a54700935272ee0a018e867be6b513a 100644
--- a/content/browser/frame_host/render_widget_host_view_child_frame.h
+++ b/content/browser/frame_host/render_widget_host_view_child_frame.h
@@ -105,6 +105,9 @@ class CONTENT_EXPORT RenderWidgetHostViewChildFrame
   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
   void OnSwapCompositorFrame(uint32 output_surface_id,
                              scoped_ptr<cc::CompositorFrame> frame) override;
+  // Since the URL of content rendered by this class is not displayed in
+  // the URL bar, this method does not need an implementation.
+  void ClearCompositorFrame() override {}
   void GetScreenInfo(blink::WebScreenInfo* results) override;
   bool GetScreenColorProfile(std::vector<char>* color_profile) override;
   gfx::Rect GetBoundsInRootWindow() override;