GitLab

Currently, in previews, we match the document URL with the the
provided hints using substring matching. This CL changes the
matching algorithm to a wildcard matcher instead of substring
matcher.

Change-Id: I3cf827d094ee5e15a64737d9691743b29d4c0bf3
Bug: 870039
Reviewed-on: https://chromium-review.googlesource.com/1176594Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Commit-Queue: Tarun Bansal <tbansal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584083}