GitLab

Move GetHumanReadableOrigin method to affliation utils in order
to make it available in ios. This CL requires  GetHumanReadableOrigin
on ios: https://chromereviews.googleplex.com/191547013/

BUG=486736

Review URL: https://codereview.chromium.org/1130213004

Cr-Commit-Position: refs/heads/master@{#330343}