DevTools: [JsDocValidator] Make sure function receivers agree with @this annotations

R=sergeyv@chromium.org, vsevik@chromium.org, aandrey, sergeyv, vsevik

Review URL: https://codereview.chromium.org/202813004

git-svn-id: svn://svn.chromium.org/blink/trunk@169450 bbb929c8-8fbe-4397-9dbb-9b2b20218538