gistfile1.txt

~/dev/multi-jetpack/obj-ff-debug % make -C js/jetpack/tests xpcshell-tests
make: Entering directory `/home/ben/dev/multi-jetpack/obj-ff-debug/js/jetpack/tests'
/usr/bin/python2.6 -u /home/ben/dev/multi-jetpack/config/pythonpath.py \
          -I/home/ben/dev/multi-jetpack/build \
          /home/ben/dev/multi-jetpack/testing/xpcshell/runxpcshelltests.py \
          --symbols-path=../../../dist/crashreporter-symbols \
          ../../../dist/bin/xpcshell \
          ../../../_tests/xpcshell/test_jetpack/unit
^CTEST-PASS | /home/ben/dev/multi-jetpack/obj-ff-debug/_tests/xpcshell/test_jetpack/unit/test_jetpack.js | test passed

== BloatView: ALL (cumulative) LEAK STATISTICS, default process 11970

     |<----------------Class--------------->|<-----Bytes------>|<----------------Objects---------------->|<--------------References-------------->|
                                              Per-Inst   Leaked    Total      Rem      Mean       StdDev     Total      Rem      Mean       StdDev
   0 TOTAL                                          43      904    31904       15 (  209.27 +/-   282.73)    84411        6 (  302.13 +/-   395.67)
   3 BackstagePass                                  48       48        1        1 (    1.00 +/-     0.00)     7184        2 (  184.75 +/-    91.77)
  12 PHandleParent                                  48      192      119        4 (   43.83 +/-    31.92)        0        0 (    0.00 +/-     0.00)
  25 XPCNativeScriptableShared                     232      232     1155        1 (   10.93 +/-     1.39)        0        0 (    0.00 +/-     0.00)
  28 XPCWrappedNative                              112      112     1565        1 (  781.31 +/-   450.11)     9475        1 (  817.53 +/-   456.04)
  29 XPCWrappedNativeProto                          64       64      590        1 (  295.25 +/-   170.25)        0        0 (    0.00 +/-     0.00)
 103 nsStringBuffer                                  8        8     4515        1 (  559.58 +/-   272.16)     6168        1 (  584.04 +/-   273.06)
 110 nsSystemPrincipal                              72       72        1        1 (    1.00 +/-     0.00)      327        1 (    4.51 +/-     0.96)
 111 nsTArray_base                                   8       32     3448        4 (   71.18 +/-    29.53)        0        0 (    0.00 +/-     0.00)
 112 nsThread                                      144      144        3        1 (    1.80 +/-     0.84)     4976        1 (  545.97 +/-   525.17)

nsTraceRefcntImpl::DumpStatistics: 141 entries
INFO | Result summary:
INFO | Passed: 1
INFO | Failed: 0

gistfile2.hh

NS_IMETHODIMP
JetpackService::CreateJetpack(nsIJetpack** aResult)
{
  nsresult rv;
  nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID(), &rv));
  NS_ENSURE_SUCCESS(rv, rv);

  nsAXPCNativeCallContext* ncc = NULL;
  rv = xpc->GetCurrentNativeCallContext(&ncc);
  NS_ENSURE_SUCCESS(rv, rv);

  JSContext* cx;
  rv = ncc->GetJSContext(&cx);
  NS_ENSURE_SUCCESS(rv, rv);

  nsRefPtr<JetpackParent> j = new JetpackParent(cx);
  *aResult = j.forget().get();

  return NS_OK;
}