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The latter is a better name for the contents of that file, as it
is no longer a Polymer behavior. Also re-running clang-format.

Bug: None
Change-Id: I1e638271b5d973c426d392ee3fc9dbd7e0114bea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2107055
Commit-Queue: dpapad <dpapad@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751160}