Add duration estimation data to RenderingStats.

cc/debug/rendering_stats_instrumentation.cc

Index: cc/debug/rendering_stats_instrumentation.cc
diff --git a/cc/debug/rendering_stats_instrumentation.cc b/cc/debug/rendering_stats_instrumentation.cc
index 9655241c63976bcb2cd688ee1826a1843d0d30f7..f16eb1efaea11e10fc53537c0dca6c9f4afdac03 100644
--- a/cc/debug/rendering_stats_instrumentation.cc
+++ b/cc/debug/rendering_stats_instrumentation.cc
@@ -139,4 +139,42 @@ void RenderingStatsInstrumentation::AddApproximatedVisibleContentArea(
   impl_thread_rendering_stats_.approximated_visible_content_area += area;
 }
 
+void RenderingStatsInstrumentation::AddDrawDuration(
+    base::TimeDelta draw_duration,
+    base::TimeDelta draw_duration_estimate) {
+  if (!record_rendering_stats_)
+    return;
+
+  base::AutoLock scoped_lock(lock_);
+  impl_thread_rendering_stats_.draw_duration.Append(draw_duration);
+  impl_thread_rendering_stats_.draw_duration_estimate.Append(
+      draw_duration_estimate);
+}
+
+void RenderingStatsInstrumentation::AddBeginMainFrameToCommitDuration(
+    base::TimeDelta begin_main_frame_to_commit_duration,
+    base::TimeDelta begin_main_frame_to_commit_duration_estimate) {
+  if (!record_rendering_stats_)
+    return;
+
+  base::AutoLock scoped_lock(lock_);
+  impl_thread_rendering_stats_.begin_main_frame_to_commit_duration.Append(
+      begin_main_frame_to_commit_duration);
+  impl_thread_rendering_stats_.begin_main_frame_to_commit_duration_estimate
+      .Append(begin_main_frame_to_commit_duration_estimate);
+}
+
+void RenderingStatsInstrumentation::AddCommitToActivateDuration(
+    base::TimeDelta commit_to_activate_duration,
+    base::TimeDelta commit_to_activate_duration_estimate) {
+  if (!record_rendering_stats_)
+    return;
+
+  base::AutoLock scoped_lock(lock_);
+  impl_thread_rendering_stats_.commit_to_activate_duration.Append(
+      commit_to_activate_duration);
+  impl_thread_rendering_stats_.commit_to_activate_duration_estimate.Append(
+      commit_to_activate_duration_estimate);
+}
+
 }  // namespace cc