
This updates the style guide, adds a clang-tidy rule to help, and applies the clang-tidy rule to the base/mac files. Bug: none Change-Id: Ie0cdf3e08adc6204e6c225d3843d69b1a081cbe9 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3359337 Reviewed-by: danakj chromium <danakj@chromium.org> Reviewed-by: Peter Kasting <pkasting@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#955950}