| Index: content/browser/renderer_host/render_widget_host_view_mac.h
 | 
| diff --git a/content/browser/renderer_host/render_widget_host_view_mac.h b/content/browser/renderer_host/render_widget_host_view_mac.h
 | 
| index 18fd462d2860320cc0ce030cbdbd5f9ad5034266..499026922fd9ddae695df9f03cab815bf508fba2 100644
 | 
| --- a/content/browser/renderer_host/render_widget_host_view_mac.h
 | 
| +++ b/content/browser/renderer_host/render_widget_host_view_mac.h
 | 
| @@ -491,6 +491,9 @@
 | 
|        int output_surface_id,
 | 
|        const cc::CompositorFrameAck& ack) override;
 | 
|    void DelegatedFrameHostOnLostCompositorResources() override;
 | 
| +  void DelegatedFrameHostUpdateVSyncParameters(
 | 
| +      const base::TimeTicks& timebase,
 | 
| +      const base::TimeDelta& interval) override;
 | 
|  
 | 
|    // AcceleratedWidgetMacNSView implementation.
 | 
|    NSView* AcceleratedWidgetGetNSView() const override;
 | 
| 
 |