Remove current implementation of frame timing events.

cc/test/fake_channel_impl.h

Index: cc/test/fake_channel_impl.h
diff --git a/cc/test/fake_channel_impl.h b/cc/test/fake_channel_impl.h
index 053a7adeafb096b2c3f027d24b1c87dff04669c8..8690ba8ad508b7bcfaa570a61dd5a1b7eb74d70c 100644
--- a/cc/test/fake_channel_impl.h
+++ b/cc/test/fake_channel_impl.h
@@ -28,10 +28,6 @@ class FakeChannelImpl : public ChannelImpl {
       bool success,
       const RendererCapabilities& capabilities) override {}
   void DidCompletePageScaleAnimation() override {}
-  void PostFrameTimingEventsOnMain(
-      std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
-      std::unique_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events)
-      override {}
   void BeginMainFrame(std::unique_ptr<BeginMainFrameAndCommitState>
                           begin_main_frame_state) override {}
 };