From a8fffc0cb95360918a76eea8218187c39650a405 Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <nnethercote@mozilla.com>
Date: Thu, 5 Jul 2012 17:29:56 -0700
Subject: [PATCH] Bug 771378 (part 0) - Add ScopedFreePtr to Utility.h. 
 r=jwalden.

--HG--
extra : rebase_source : b43cb64bb1175c4111903f5c30f533612daae841
---
 js/public/Utility.h | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/js/public/Utility.h b/js/public/Utility.h
index 327fce3e996..8171ec4a105 100644
--- a/js/public/Utility.h
+++ b/js/public/Utility.h
@@ -599,11 +599,18 @@ public:
 class UnwantedForeground : public Foreground {
 };
 
-template <typename T>
-struct ScopedDeletePtrTraits
+template<typename T>
+struct ScopedFreePtrTraits
+{
+    typedef T* type;
+    static T* empty() { return NULL; }
+    static void release(T* ptr) { Foreground::free_(ptr); }
+};
+SCOPED_TEMPLATE(ScopedFreePtr, ScopedFreePtrTraits)
+
+template <typename T>
+struct ScopedDeletePtrTraits : public ScopedFreePtrTraits<T>
 {
-    typedef T *type;
-    static T *empty() { return NULL; }
     static void release(T *ptr) { Foreground::delete_(ptr); }
 };
 SCOPED_TEMPLATE(ScopedDeletePtr, ScopedDeletePtrTraits)