cc: Heuristic for Renderer latency recovery

cc/test/scheduler_test_common.h

Index: cc/test/scheduler_test_common.h
diff --git a/cc/test/scheduler_test_common.h b/cc/test/scheduler_test_common.h
index 633289ba3ff729cf5f909d0201b2dd0410185f46..29615695f3b9474372ff710e95f7203f37504623 100644
--- a/cc/test/scheduler_test_common.h
+++ b/cc/test/scheduler_test_common.h
@@ -182,10 +182,16 @@ class TestScheduler : public Scheduler {
 
   bool CanStart() const { return state_machine_.CanStartForTesting(); }
 
+  bool NeedsCommit() const { return state_machine_.needs_commit(); }
+
   BeginFrameSource& frame_source() { return *frame_source_; }
   bool FrameProductionThrottled() { return throttle_frame_production_; }
   BeginFrameArgs begin_impl_frame_args() { return begin_impl_frame_args_; }
 
+  bool MainThreadIsInHighLatencyMode() const {
+    return state_machine_.MainThreadIsInHighLatencyMode();
+  }
+
   ~TestScheduler() override;
 
   void NotifyReadyToCommitThenActivateIfNeeded() {