Experimentally block/deprecate resource requests whose URLs contain raw newlines.

Intent to Deprecate: https://groups.google.com/a/chromium.org/d/msg/blink-dev/AqSrOMzwrlk/wUglQnTJCgAJ

BUG=680970

Review-Url: https://codereview.chromium.org/2794303002
Cr-Commit-Position: refs/heads/master@{#462933}
63 files changed