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This experiment shows good results on Android as well as Desktop
platforms, so far. Based on those results, we'll move to Beta for more
data.

Bug: 962693
Change-Id: Id37d846101a2573494b1e340156628ed188dc758
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1740650
Commit-Queue: Ryan Sturm <ryansturm@chromium.org>
Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Cr-Commit-Position: refs/heads/master@{#685316}