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The test was disabled in https://crrev.com/c/2403560 and it can be
enabled now becaused DevTools has been rolled.

Bug: 1125357
Change-Id: Ic09d1bc8437ad6c1a5efc80a58867fee79eb956b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2413250Reviewed-by: Mathias Bynens <mathias@chromium.org>
Commit-Queue: Alex Rudenko <alexrudenko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807364}