Specifically, this CL was made by running codespell
(https://github.com/lucasdemarchi/codespell), manually filtering
for changes in non-third-party files that appear correct.

Change-Id: Ia16c1b29483d777744450d7bea45a178cf877a25
Reviewed-on: https://chromium-review.googlesource.com/420871
Commit-Queue: Quinten Yearsley <qyearsley@chromium.org>
Reviewed-by: Aaron Gable <agable@chromium.org>