GitLab

Enabling the feature for Canary/Dev by default.  We are working
through the final signoffs for the feature and want to start getting
stability info and test feedback from dev/canary.

BUG=680809

Change-Id: I93bdc72aac156668ed758572066a2da29d4d684b
Reviewed-on: https://chromium-review.googlesource.com/1058928Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Joe Downing <joedow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558765}