Ping any updates?

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/914f0969a7737aa14faa6c496650e2c434715ceb

commit 914f0969a7737aa14faa6c496650e2c434715ceb
Author: Liquan(Max) Gu <maxlg@chromium.org>
Date: Tue Sep 25 20:24:33 2018

[EventTiming] Change pointers to references

Initially the events in EventTiming class are pointers, this CL is to change
them to references, since reference is safer to use.

Bug:  850144 
Change-Id: Ia13ef944c143a7bed8096c1faf370163bfa95aaf
Reviewed-on: https://chromium-review.googlesource.com/1244102
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Commit-Queue: Liquan (Max) Gǔ <maxlg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594081}
[modify] https://crrev.com/914f0969a7737aa14faa6c496650e2c434715ceb/third_party/blink/renderer/core/dom/events/event_dispatcher.cc
[modify] https://crrev.com/914f0969a7737aa14faa6c496650e2c434715ceb/third_party/blink/renderer/core/timing/event_timing.cc
[modify] https://crrev.com/914f0969a7737aa14faa6c496650e2c434715ceb/third_party/blink/renderer/core/timing/event_timing.h