Bug 1365504 - Remove the call to AbstractThread::GetCurrent() in ServiceWorkerUpdaterChild.cpp. r=bkelly

See bug 1365483 for the rationale.

MozReview-Commit-ID: BDbdiWT2ZFa

--HG--
extra : rebase_source : a834b683b4cbd7de24a3e3943ae3eb877db18732

dom/workers/ServiceWorkerUpdaterChild.cpp

@@ -16,11 +16,14 @@ ServiceWorkerUpdaterChild::ServiceWorkerUpdaterChild(GenericPromise* aPromise,
   : mSuccessRunnable(aSuccessRunnable)
   , mFailureRunnable(aFailureRunnable)
 {
+  // TODO: remove the main thread restriction after fixing bug 1364821.
+  MOZ_ASSERT(NS_IsMainThread());
+
   MOZ_ASSERT(aPromise);
   MOZ_ASSERT(aSuccessRunnable);
   MOZ_ASSERT(aFailureRunnable);
 
-  aPromise->Then(AbstractThread::GetCurrent(), __func__,
+  aPromise->Then(AbstractThread::MainThread(), __func__,
     [this]() {
       mPromiseHolder.Complete();
       Unused << Send__delete__(this);