GitLab

The origin now is included, and Blink has been updated to pass it in.

This is part of a three-sided patch:
  [1] https://codereview.chromium.org/982313002/
  [2] https://codereview.chromium.org/985063002/
  [3] This patch.

BUG=447628

Review URL: https://codereview.chromium.org/985693004

Cr-Commit-Position: refs/heads/master@{#320928}