GitLab

API in WebFrameClient will be removed after corresponding test harness logic
is removed.

BUG=523091

Review URL: https://codereview.chromium.org/1288323006

git-svn-id: svn://svn.chromium.org/blink/trunk@200943 bbb929c8-8fbe-4397-9dbb-9b2b20218538