Bug 1331434 - Part 6: Mark a throw in FlyWeb as requiring custom cleanup, r=djvj

MozReview-Commit-ID: LwAyet5qCw4

dom/flyweb/FlyWebService.cpp

@@ -1193,7 +1193,7 @@ FlyWebService::PairWithService(const nsAString& aServiceId,
 
   if (NS_FAILED(rv)) {
     ErrorResult result;
-    result.Throw(rv);
+    result.ThrowWithCustomCleanup(rv);
     const nsAString& reason = NS_LITERAL_STRING("Error pairing.");
     aCallback.PairingFailed(reason, result);
     ENSURE_SUCCESS_VOID(result);

dom/flyweb/HttpServer.cpp

@@ -192,9 +192,8 @@ HttpServer::AcceptWebSocket(InternalRequest* aConnectRequest,
     return provider.forget();
   }
 
-  aRv.Throw(NS_ERROR_UNEXPECTED);
   MOZ_ASSERT(false, "Unknown request");
-
+  aRv.Throw(NS_ERROR_UNEXPECTED);
   return nullptr;
 }