| Index: content/renderer/gpu/render_widget_compositor.h | 
| diff --git a/content/renderer/gpu/render_widget_compositor.h b/content/renderer/gpu/render_widget_compositor.h | 
| index b49f6b93fb7001c3ef3758930f43a9d55f9ded74..b6fa9af3b149ce9282b48af336c373745fcaff1e 100644 | 
| --- a/content/renderer/gpu/render_widget_compositor.h | 
| +++ b/content/renderer/gpu/render_widget_compositor.h | 
| @@ -49,6 +49,7 @@ class RenderWidgetCompositor : public WebKit::WebLayerTreeView, | 
| void SetOverdrawBottomHeight(float overdraw_bottom_height); | 
| void SetNeedsRedrawRect(gfx::Rect damage_rect); | 
| void SetLatencyInfo(const ui::LatencyInfo& latency_info); | 
| +  int GetLayerTreeId() const; | 
|  | 
| // WebLayerTreeView implementation. | 
| virtual void setSurfaceReady(); | 
|  |