cc: Plumbing for BeginFrameSource based on Surfaces

android_webview/browser/hardware_renderer.h

Index: android_webview/browser/hardware_renderer.h
diff --git a/android_webview/browser/hardware_renderer.h b/android_webview/browser/hardware_renderer.h
index 49a51ba480c90129687028f0a543caa050892272..2772ac1d4bf28fae984e81482b62b03854b013cc 100644
--- a/android_webview/browser/hardware_renderer.h
+++ b/android_webview/browser/hardware_renderer.h
@@ -47,6 +47,8 @@ class HardwareRenderer : public cc::DisplayClient,
 
   // cc::SurfaceFactoryClient implementation.
   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
+  void SetBeginFrameSource(cc::SurfaceId surface_id,
+                           cc::BeginFrameSource* begin_frame_source) override;
 
   void ReturnResourcesInChildFrame();