cc: Remove estimated parent draw time from renderer

cc/trees/proxy_impl.cc

Index: cc/trees/proxy_impl.cc
diff --git a/cc/trees/proxy_impl.cc b/cc/trees/proxy_impl.cc
index 67bd86da93156f7f93a7d10e2aa099542554ae0c..64697d7b0dcc7bd4fbf13f4b55a1e3cd7bb75f30 100644
--- a/cc/trees/proxy_impl.cc
+++ b/cc/trees/proxy_impl.cc
@@ -276,11 +276,6 @@ void ProxyImpl::SetBeginFrameSource(BeginFrameSource* source) {
   }
 }
 
-void ProxyImpl::SetEstimatedParentDrawTime(base::TimeDelta draw_time) {
-  DCHECK(IsImplThread());
-  scheduler_->SetEstimatedParentDrawTime(draw_time);
-}
-
 void ProxyImpl::DidSwapBuffersCompleteOnImplThread() {
   TRACE_EVENT0("cc,benchmark", "ProxyImpl::DidSwapBuffersCompleteOnImplThread");
   DCHECK(IsImplThread());