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The UMA metrics logging for Infobar badges was removed in crrev.com/c/1717651.
This change adds it back in BadgeActionDispatcher. A new 'accepted' property
is added to the BadgeButton to determine badge state for the metrics.

Bug: 976901
Change-Id: Ic81988d59f6695a1b32e1ca0b4e340cc20966d52
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1749602
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#686621}