add check that the shared page is fully displayed (#377)
add check that the shared page is fully displayed (#377)


justindarc/focus,mozilla/focus,mozilla/focus,mozilla/focus,justindarc/focus,mozilla-mobile/focus-ios,justindarc/focus,mozilla-mobile/focus,mozilla-mobile/focus,mozilla-mobile/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,justindarc/focus,justindarc/focus,mozilla/focus,mozilla-mobile/focus-ios,justindarc/focus,mozilla/focus,mozilla-mobile/focus-ios