GitLab

HTTP headers are byte strings, so anything outside of
ASCII needs to be explicitly encoded one way or another.

BUG=429569

Review URL: https://codereview.chromium.org/836823002

git-svn-id: svn://svn.chromium.org/blink/trunk@201248 bbb929c8-8fbe-4397-9dbb-9b2b20218538