Roll Chromium from af73f1e9f8c8 to 4545fb53923b (180 revisions)
Roll Chromium from af73f1e9f8c8 to 4545fb53923b (180 revisions)

https://chromium.googlesource.com/chromium/src.git/+log/af73f1e9f8c8..4545fb53923b

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/chromium-angle-autoroll
Please CC 470c533e86f4f848c98c7e11fffc2d043494a401@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Changed dependencies
* build: https://chromium.googlesource.com/chromium/src/build.git/+log/68fec68de7..34da458aa2
* testing: https://chromium.googlesource.com/chromium/src/testing/+log/e5bbe1bc6f..c28f31863b
* third_party/catapult: https://chromium.googlesource.com/catapult.git/+log/{catapult_..8d43e58994
No update to Clang.

Bug: None
Tbr: 470c533e86f4f848c98c7e11fffc2d043494a401@google.com
Change-Id: Ib5357a8c44f44245b5df8e583e8460b9ac84a70f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2597052
Reviewed-by: angle-autoroll <09ea9b8bac6cceb6ec3b72e615745c3a1e982ce2@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <09ea9b8bac6cceb6ec3b72e615745c3a1e982ce2@skia-public.iam.gserviceaccount.com>

ppy/angle,ppy/angle,ppy/angle,ppy/angle