cc: Remove estimated parent draw time from renderer

cc/scheduler/scheduler_unittest.cc

Index: cc/scheduler/scheduler_unittest.cc
diff --git a/cc/scheduler/scheduler_unittest.cc b/cc/scheduler/scheduler_unittest.cc
index e97586955bcffd68a13c1587d5ca14ed8f5d8923..d3dffae8b19376ee99885759bdbacc9fdf303832 100644
--- a/cc/scheduler/scheduler_unittest.cc
+++ b/cc/scheduler/scheduler_unittest.cc
@@ -2310,9 +2310,6 @@ void SchedulerTest::BeginFramesNotFromClient_SwapThrottled(
     BeginFrameSourceType bfs_type) {
   SetUpScheduler(bfs_type);
 
-  scheduler_->SetEstimatedParentDrawTime(
-      BeginFrameArgs::DefaultEstimatedParentDrawTime());
-
   // Set the draw duration estimate to zero so that deadlines are accurate.
   fake_compositor_timing_history_->SetDrawDurationEstimate(base::TimeDelta());