Bug 1142816 - Fix leaks in js/src/jsapi-tests/testGCHeapPostBarriers.cpp. r=erahm

--HG--
extra : rebase_source : 08701d7448ec76e53e46cc914e49428fa5b9d179

js/src/jsapi-tests/testGCHeapPostBarriers.cpp

@@ -8,6 +8,8 @@
 #include "js/RootingAPI.h"
 #include "jsapi-tests/tests.h"
 
+using mozilla::ScopedDeletePtr;
+
 BEGIN_TEST(testGCHeapPostBarriers)
 {
 #ifdef JS_GC_ZEAL
@@ -44,8 +46,8 @@ TestHeapPostBarriers(T initialObj)
     CHECK(js::gc::IsInsideNursery(initialObj));
 
     /* Construct Heap<> wrapper. */
-    JS::Heap<T>* heapData = new JS::Heap<T>();
-    CHECK(heapData);
+    ScopedDeletePtr<JS::Heap<T>> heapData(new JS::Heap<T>);
+    CHECK(heapData.get());
     CHECK(Passthrough(heapData->get() == nullptr));
     *heapData = initialObj;