From 9227b3237beda5fed5329c3b88abb9b4211d5640 Mon Sep 17 00:00:00 2001
From: Ben Kelly <ben@wanderview.com>
Date: Tue, 8 Dec 2015 17:52:16 -0500
Subject: [PATCH] Bug 1227015 P7 Supress unused ErrorResult exception if the
 worker runnable failed to dispatch. r=catalinb

---
 dom/workers/ServiceWorkerRegistration.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dom/workers/ServiceWorkerRegistration.cpp b/dom/workers/ServiceWorkerRegistration.cpp
index a29f392886d7..21bb739e3096 100644
--- a/dom/workers/ServiceWorkerRegistration.cpp
+++ b/dom/workers/ServiceWorkerRegistration.cpp
@@ -337,6 +337,15 @@ public:
     mPromiseProxy->CleanUp(aCx);
     return true;
   }
+
+  void
+  PostDispatch(JSContext* aCx, WorkerPrivate* aWorkerPrivate,
+               bool aSuccess) override
+  {
+    if (!aSuccess) {
+      mStatus.SuppressException();
+    }
+  }
 };
 
 class WorkerThreadUpdateCallback final : public ServiceWorkerUpdateFinishCallback