Remove current implementation of frame timing events.

cc/test/layer_tree_test.cc

Index: cc/test/layer_tree_test.cc
diff --git a/cc/test/layer_tree_test.cc b/cc/test/layer_tree_test.cc
index 8ff231af789bc6691814653065659991567da1e1..3c7c8e48a0c9899e090435ba4e30ef87f924bfd4 100644
--- a/cc/test/layer_tree_test.cc
+++ b/cc/test/layer_tree_test.cc
@@ -394,11 +394,6 @@ class LayerTreeHostClientForTesting : public LayerTreeHostClient,
   void DidCompletePageScaleAnimation() override {}
   void BeginMainFrameNotExpectedSoon() override {}
 
-  void RecordFrameTimingEvents(
-      std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
-      std::unique_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events)
-      override {}
-
  private:
   explicit LayerTreeHostClientForTesting(TestHooks* test_hooks)
       : test_hooks_(test_hooks) {}