cc: Heuristic for Renderer latency recovery

cc/test/scheduler_test_common.cc

Index: cc/test/scheduler_test_common.cc
diff --git a/cc/test/scheduler_test_common.cc b/cc/test/scheduler_test_common.cc
index 48e7eb588b5bee9276307a6f6b1c529a39429cf3..7419b21e446cd1040cbf329909be1c73e9b90fed 100644
--- a/cc/test/scheduler_test_common.cc
+++ b/cc/test/scheduler_test_common.cc
@@ -83,6 +83,14 @@ FakeCompositorTimingHistory::FakeCompositorTimingHistory(
 FakeCompositorTimingHistory::~FakeCompositorTimingHistory() {
 }
 
+void FakeCompositorTimingHistory::SetAllEstimatesTo(base::TimeDelta duration) {
+  begin_main_frame_to_commit_duration_ = duration;
+  commit_to_ready_to_activate_duration_ = duration;
+  prepare_tiles_duration_ = duration;
+  activate_duration_ = duration;
+  draw_duration_ = duration;
+}
+
 void FakeCompositorTimingHistory::SetBeginMainFrameToCommitDurationEstimate(
     base::TimeDelta duration) {
   begin_main_frame_to_commit_duration_ = duration;