Clang-Tidy for ui/views on Mac

This is a run of clang-tidy with the existing .clang-tidy config on
//ui/views.

BUG=940732
TBR=sky@chromium.org

Change-Id: Ia2a94691586544ec7e01156780510b09eb0d1d20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1540277
Commit-Queue: Robert Liao <robliao@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#644533}
21 files changed