Bug 1157248 - TabChild should initialize ServiceWorkerManager before starting the first loading, r=nsm

dom/ipc/TabChild.cpp

@@ -1705,6 +1705,10 @@ TabChild::RecvLoadURL(const nsCString& aURI,
 
     SetProcessNameToAppName();
 
+    nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
+    MOZ_ASSERT(swm);
+    swm->LoadRegistrations(aConfiguration.serviceWorkerRegistrations());
+
     nsresult rv = WebNavigation()->LoadURI(NS_ConvertUTF8toUTF16(aURI).get(),
                                            nsIWebNavigation::LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP |
                                            nsIWebNavigation::LOAD_FLAGS_DISALLOW_INHERIT_OWNER,
@@ -1717,10 +1721,6 @@ TabChild::RecvLoadURL(const nsCString& aURI,
     CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("URL"), aURI);
 #endif
 
-    nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
-    MOZ_ASSERT(swm);
-    swm->LoadRegistrations(aConfiguration.serviceWorkerRegistrations());
-
     return true;
 }