Refactor: Spellfix to misspellings of "performance"

Bug: 896479
Change-Id: Ib1609f6f23ddf63b8a5c110c7f0280b117ed54c5
Reviewed-on: https://chromium-review.googlesource.com/c/1373252
Reviewed-by: Victor Costan <pwnall@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Darwin Huang <huangdarwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#617648}
20 files changed