cc: Remove estimated parent draw time from renderer

cc/scheduler/scheduler_unittest.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/scheduler/scheduler.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
@@ skipping 2292 matching lines @@
 }
 
 TEST_F(SchedulerTest, UnthrottledBeginFrames) {
   BeginFramesNotFromClient(UNTHROTTLED_BFS);
 }
 
 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());
 
   // To test swap ack throttling, this test disables automatic swap acks.
   client_->SetAutomaticSwapAck(false);
 
   // SetNeedsBeginMainFrame should begin the frame on the next BeginImplFrame.
   client_->Reset();
   scheduler_->SetNeedsBeginMainFrame();
   EXPECT_NO_ACTION(client_);
@@ skipping 1282 matching lines @@
 }
 
 TEST_F(SchedulerTest, BeginMainFrameOnCriticalPath_AHS) {
   EXPECT_FALSE(BeginMainFrameOnCriticalPath(
       SMOOTHNESS_TAKES_PRIORITY,
       ScrollHandlerState::SCROLL_AFFECTS_SCROLL_HANDLER, kSlowDuration));
 }
 
 }  // namespace
 }  // namespace cc