Remove current implementation of frame timing events.

cc/test/proxy_main_for_test.h

Index: cc/test/proxy_main_for_test.h
diff --git a/cc/test/proxy_main_for_test.h b/cc/test/proxy_main_for_test.h
index c2082116f244a052d23deb2145201e5d916e064f..ef354e357d82bc7a4101678bf5199c74b9299f06 100644
--- a/cc/test/proxy_main_for_test.h
+++ b/cc/test/proxy_main_for_test.h
@@ -50,10 +50,6 @@ class ProxyMainForTest : public ProxyMain {
       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;