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Notice this in SuperSize reports. UI>Browser is probably a better
catch-all categorization of the code in //chrome than "Build" is.

Change-Id: Id57f0eb0bf69c97381ea5ecde39c039ef8fcdba9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1976131Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Dana Fried <dfried@google.com>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726424}