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With crbug.com/1166997 fixed, the test suite turns green in trybot now.
The test pool usage is a bit high (http://shortn/_unkbNiWpws), but the
swarming task pending time is acceptable (http://shortn/_WCL47QSQOd),
despite the one on 1/19 due to test regression.

Bug: 1111436
Change-Id: Ied1639acdd124d041e2d55dbe02b66a5aa661214
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2639370Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: Haiyang Pan <hypan@google.com>
Cr-Commit-Position: refs/heads/master@{#845418}