| Index: cc/trees/proxy_impl.cc | 
| diff --git a/cc/trees/proxy_impl.cc b/cc/trees/proxy_impl.cc | 
| index 0a8620eb7e724c3873aa24afa00413fe39945079..ba81eb59d737689b4c56cf5bb2b72b195f11f22a 100644 | 
| --- a/cc/trees/proxy_impl.cc | 
| +++ b/cc/trees/proxy_impl.cc | 
| @@ -548,6 +548,10 @@ void ProxyImpl::ScheduledActionInvalidateCompositorFrameSink() { | 
| layer_tree_host_impl_->compositor_frame_sink()->Invalidate(); | 
| } | 
|  | 
| +void ProxyImpl::ScheduledActionPerformImplSideInvalidation() { | 
| +  NOTIMPLEMENTED(); | 
| +} | 
| + | 
| void ProxyImpl::SendBeginMainFrameNotExpectedSoon() { | 
| DCHECK(IsImplThread()); | 
| MainThreadTaskRunner()->PostTask( | 
|  |