Bug 1121818 - Reject promise with instance of 'Error'. r=dimi

From da865c1cd62df020eba8515c3e19b962ccddd322 Mon Sep 17 00:00:00 2001
---
 dom/nfc/nsNfc.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

dom/nfc/nsNfc.js

@@ -90,7 +90,7 @@ NfcCallback.prototype = {
            ", errormsg: " + aErrorMsg);
       return;
     }
-    resolver.reject(aErrorMsg);
+    resolver.reject(new this._window.Error(aErrorMsg));
   },
 
   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupportsWeakReference,