Replace setTimeout for test_unregister with detailed checks for active worker before opening iframe
check for null reg in unregister tests
Removed current dir scope so potential fetch event slowdown does not timeout tests
use navigator.serviceWorker to receive messages
Remove leftover getRegistration() test
--HG--
extra : transplant_source : %F39R%DA2%D5%12%0A%AB%01%9B%BF%BD%5Cy%B3%C3%5C%12%05
Nikhil Marathe
Andrea Marchesini