GitLab

An instance of the badge service can be moved between different browsers
so we should find the delegate/hosted_app as needed instead of storing
them at instantiation.

Bug: 916904
Change-Id: Ia91875f3342be0bb7b2e7dd1807efd2cdd36206c
Reviewed-on: https://chromium-review.googlesource.com/c/1385726
Commit-Queue: Jay Harris <harrisjay@chromium.org>
Reviewed-by: Matt Giuca <mgiuca@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618380}