cc: Add MainAndImplFrameTimeDelta UMA.

cc/scheduler/compositor_timing_history_unittest.cc

Index: cc/scheduler/compositor_timing_history_unittest.cc
diff --git a/cc/scheduler/compositor_timing_history_unittest.cc b/cc/scheduler/compositor_timing_history_unittest.cc
index 2cbc8a869f7447ffd01f428b58d6d520a5e295aa..e6d3b8abe007aa937b0263b4405f6293bcb672d0 100644
--- a/cc/scheduler/compositor_timing_history_unittest.cc
+++ b/cc/scheduler/compositor_timing_history_unittest.cc
@@ -66,7 +66,7 @@ TEST_F(CompositorTimingHistoryTest, AllSequentialCommit_Critical) {
   base::TimeDelta activate_duration = base::TimeDelta::FromMilliseconds(4);
   base::TimeDelta draw_duration = base::TimeDelta::FromMilliseconds(5);
 
-  timing_history_.WillBeginMainFrame(true);
+  timing_history_.WillBeginMainFrame(true, base::TimeTicks());
   AdvanceNowBy(begin_main_frame_queue_duration);
   timing_history_.BeginMainFrameStarted(Now());
   AdvanceNowBy(begin_main_frame_start_to_commit_duration);
@@ -85,7 +85,7 @@ TEST_F(CompositorTimingHistoryTest, AllSequentialCommit_Critical) {
   AdvanceNowBy(one_second);
   timing_history_.WillDraw();
   AdvanceNowBy(draw_duration);
-  timing_history_.DidDraw(true);
+  timing_history_.DidDraw(true, true, base::TimeTicks());
 
   EXPECT_EQ(begin_main_frame_queue_duration,
             timing_history_.BeginMainFrameQueueDurationCriticalEstimate());
@@ -124,7 +124,7 @@ TEST_F(CompositorTimingHistoryTest,
   base::TimeDelta activate_duration = base::TimeDelta::FromMilliseconds(4);
   base::TimeDelta draw_duration = base::TimeDelta::FromMilliseconds(5);
 
-  timing_history_.WillBeginMainFrame(false);
+  timing_history_.WillBeginMainFrame(false, base::TimeTicks());
   AdvanceNowBy(begin_main_frame_queue_duration);
   timing_history_.BeginMainFrameStarted(Now());
   AdvanceNowBy(begin_main_frame_start_to_commit_duration);
@@ -144,7 +144,7 @@ TEST_F(CompositorTimingHistoryTest,
   AdvanceNowBy(one_second);
   timing_history_.WillDraw();
   AdvanceNowBy(draw_duration);
-  timing_history_.DidDraw(true);
+  timing_history_.DidDraw(true, true, base::TimeTicks());
 
   EXPECT_EQ(base::TimeDelta(),
             timing_history_.BeginMainFrameQueueDurationCriticalEstimate());