Back out f9edb5fe8fb9 (bug 1198982) for webplatform registration.https.html failures

CLOSED TREE

dom/workers/ScriptLoader.cpp

@@ -1727,10 +1727,7 @@ ScriptExecutorRunnable::WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
     if (NS_FAILED(loadInfo.mLoadResult)) {
       scriptloader::ReportLoadError(aCx, loadInfo.mURL, loadInfo.mLoadResult,
                                     false);
-      // Top level scripts only!
-      if (mIsWorkerScript) {
-        aWorkerPrivate->MaybeDispatchLoadFailedRunnable();
-      }
+      aWorkerPrivate->MaybeDispatchLoadFailedRunnable();
       return true;
     }
 

dom/workers/test/serviceworkers/importscript_worker.js

@@ -6,12 +6,6 @@ function callByScript() {
 importScripts(['importscript.sjs']);
 importScripts(['importscript.sjs']);
 
-try {
-  importScripts(['there-is-nothing-here.js']);
-} catch (ex) {
-  // Importing a non-existent script should not abort the SW load, bug 1198982.
-}
-
 onmessage = function(e) {
   self.clients.matchAll().then(function(res) {
     if (!res.length) {