GitLab

Extract the checks that need not be run on each iteration of the loop.
Given the constant size of kValidationHeaders, this does not
meaningfully improve complexity, only readability (hopefully).

Change-Id: Ic14796c1a76426f0bbb3f40247744ba5b98318f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2386739
Commit-Queue: Titouan Rigoudy <titouan@chromium.org>
Reviewed-by: Maksim Orlovich <morlovich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803862}