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This CL is part of the efforts to replace OriginTrialEnabled with
RuntimeEnabled.

Design doc for the overall change:
https://docs.google.com/document/d/1Qog5qwZ-6Rfx10AKkJxN-LrwhCw_GJ1xdLoQSnpsT1Q

Bug: 934451
Change-Id: I14688df0fdf4895b8ed61a5a45142bcdeabf5aa5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1558707
Commit-Queue: Yashar Dabiran <yashard@google.com>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#649860}