GitLab

Similarly as done for Desktop this change adds an information tooltip for PSL
matches. This tooltip shows the origin URL when tapped on.

BUG=666340
R=bauerb@chromium.org,vasilii@chromium.org
CC=vabr@chromium.org,melandory@chromium.org

Review-Url: https://codereview.chromium.org/2541693004
Cr-Commit-Position: refs/heads/master@{#439098}