cc: Adding DidFinishImplFrame to LTHI.

cc/trees/single_thread_proxy.cc

Index: cc/trees/single_thread_proxy.cc
diff --git a/cc/trees/single_thread_proxy.cc b/cc/trees/single_thread_proxy.cc
index db409734a873587bc8fd73b254dea8e368cd6c65..4806334841624238958eb18bfd7c70b18a29ae10 100644
--- a/cc/trees/single_thread_proxy.cc
+++ b/cc/trees/single_thread_proxy.cc
@@ -717,12 +717,6 @@ DrawResult SingleThreadProxy::DoComposite(base::TimeTicks frame_begin_time,
         FROM_HERE_WITH_EXPLICIT_FUNCTION(
             "461509 SingleThreadProxy::DoComposite5"));
     layer_tree_host_impl_->UpdateAnimationState(start_ready_animations);
-    // TODO(robliao): Remove ScopedTracker below once https://crbug.com/461509
-    // is fixed.
-    tracked_objects::ScopedTracker tracking_profile6(
-        FROM_HERE_WITH_EXPLICIT_FUNCTION(
-            "461509 SingleThreadProxy::DoComposite6"));
-    layer_tree_host_impl_->ResetCurrentBeginFrameArgsForNextFrame();
 
     // TODO(robliao): Remove ScopedTracker below once https://crbug.com/461509
     // is fixed.
@@ -973,8 +967,8 @@ base::TimeDelta SingleThreadProxy::CommitToActivateDurationEstimate() {
   return timing_history_.CommitToActivateDurationEstimate();
 }
 
-void SingleThreadProxy::DidBeginImplFrameDeadline() {
-  layer_tree_host_impl_->ResetCurrentBeginFrameArgsForNextFrame();
+void SingleThreadProxy::DidFinishImplFrame() {
+  layer_tree_host_impl_->DidFinishImplFrame();
   DCHECK(inside_impl_frame_)
       << "DidBeginImplFrameDeadline called while not inside an impl frame!";
   inside_impl_frame_ = false;