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No functional change, just fixing coding style and a couple cleanups.

R=sadrul@chromium.org

Bug: None
Change-Id: I437a973ad6a50957c642923e8e088c2c3744e782
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2216710
Commit-Queue: Nick Yamane <nickdiego@igalia.com>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Cr-Commit-Position: refs/heads/master@{#774628}