DevTools: Highlight breakpoint when paused in inline script on reload.

R=aandrey@chromium.org, aandrey
BUG=333589

Review URL: https://codereview.chromium.org/183103006

git-svn-id: svn://svn.chromium.org/blink/trunk@168932 bbb929c8-8fbe-4397-9dbb-9b2b20218538