Add BeginFrameObserverProxy

content/browser/renderer_host/render_widget_host_view_mac.h

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 3f3fc1e44f25f547749458a1b32cf99a58087924..270b91fdd408892522b437c5e8968753861f3506 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.h
+++ b/content/browser/renderer_host/render_widget_host_view_mac.h
@@ -479,8 +479,9 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
       const cc::CompositorFrameAck& ack) override;
   void DelegatedFrameHostOnLostCompositorResources() override;
   void DelegatedFrameHostUpdateVSyncParameters(
-      const base::TimeTicks& timebase,
-      const base::TimeDelta& interval) override;
+      const cc::BeginFrameArgs& args) override;
+  void DelegatedFrameHostSendBeginFrame(
+      const cc::BeginFrameArgs& args) override {}
 
   // AcceleratedWidgetMacNSView implementation.
   NSView* AcceleratedWidgetGetNSView() const override;