Add duration estimation data to RenderingStats.

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index 3b971912eb5e767ac1a2d745ded9fee18adfab61..983ee63b8fab95a035fe81b285bf5832ae48a03b 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -3252,4 +3252,23 @@ void LayerTreeHostImpl::UnregisterPictureLayerImpl(PictureLayerImpl* layer) {
   picture_layers_.erase(it);
 }
 
+void LayerTreeHostImpl::AddBeginMainFrameToCommitDurationEstimate(
+    base::TimeDelta duration,
+    base::TimeDelta estimate) {
+  rendering_stats_instrumentation_->AddBeginMainFrameToCommitDuration(duration,
+                                                                      estimate);
+}
+
+void LayerTreeHostImpl::AddCommitToActivateDurationEstimate(
+    base::TimeDelta duration,
+    base::TimeDelta estimate) {
+  rendering_stats_instrumentation_->AddCommitToActivateDuration(duration,
+                                                                estimate);
+}
+
+void LayerTreeHostImpl::AddDrawDurationEstimate(base::TimeDelta duration,
+                                                base::TimeDelta estimate) {
+  rendering_stats_instrumentation_->AddDrawDuration(duration, estimate);
+}
+
 }  // namespace cc