Move most of the [Pass]RefPtr's of CSSPrimitiveValue to our transition types.

Source/heap/Heap.h

Index: Source/heap/Heap.h
diff --git a/Source/heap/Heap.h b/Source/heap/Heap.h
index ebf4220f437325898ee099855df6299a55a2a859..340ba5b8a57eb1fcee8f2bc1d1f10485ac9dac57 100644
--- a/Source/heap/Heap.h
+++ b/Source/heap/Heap.h
@@ -1008,6 +1008,12 @@ T* adoptRefCountedGarbageCollected(T* ptr)
         void* operator new(size_t);
 #endif
 
+#define ALLOW_ONLY_INLINE_ALLOCATION()                                              \
+    public:                                                                         \
+        void* operator new(size_t, NotNullTag, void* location) { return location; } \
+        void* operator new(size_t, void* location) { return location; }             \
+    DISALLOW_ALLOCATION()
+
 NO_SANITIZE_ADDRESS
 void HeapObjectHeader::checkHeader() const
 {