GitLab

Don't expose internal placeholder URLs to the UI and to URL-sensing components
outside of //ios/web layer.  Instead, set virtual URL to the placeholder
original URL.

Bug: 1003680
Change-Id: Ibcdc2a88814ea33d985aa6cc269d916e88d59683
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1855299Reviewed-by: Eugene But <eugenebut@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Auto-Submit: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705231}