The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b8da26d93838a7fcf522bce7e6a27257b25c637e

commit b8da26d93838a7fcf522bce7e6a27257b25c637e
Author: Xida Chen <xidachen@chromium.org>
Date: Thu Sep 20 19:54:18 2018

[PaintTouchActionRects] Fix some frame throttling tests

This test changes expectation for some frame throttling tests with
PaintTouchActionRects enabled. The behavior is slightly different in the
unit test and the comments explains why.

Bug:  881890 
Cq-Include-Trybots: luci.chromium.try:linux-blink-gen-property-trees
Change-Id: I0e6fdeebcbe016675ee082f38d8da66ce30abbeb
Reviewed-on: https://chromium-review.googlesource.com/1237056
Commit-Queue: Xida Chen <xidachen@chromium.org>
Reviewed-by: Philip Rogers <pdr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#592915}
[modify] https://crrev.com/b8da26d93838a7fcf522bce7e6a27257b25c637e/third_party/blink/renderer/core/page/scrolling/scrolling_coordinator.cc
[modify] https://crrev.com/b8da26d93838a7fcf522bce7e6a27257b25c637e/third_party/blink/renderer/core/scheduler/frame_throttling_test.cc