merge_pr_17202
This RequestContextType will be exposed to JavaScript as Request.destination. Bug: 971581 Change-Id: I0e68aeea27d9bf1603ff4623aaa7a92776824d9f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1647652 Commit-Queue: Hiroki Nakagawa <[email protected]> Reviewed-by: Matt Falkenhagen <[email protected]> Cr-Commit-Position: refs/heads/master@{#666955}