DevTools "Event Listener Breakpoints" doesn't include hashchange

BUG=272733
R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/23812003

git-svn-id: svn://svn.chromium.org/blink/trunk@156989 bbb929c8-8fbe-4397-9dbb-9b2b20218538