Adding ElementsAccessor::Unshift

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 03db209f13050d943702f10fffbca0a49e7b229c..34065dd2b5bc0468dccedbb35567be9fe5045a97 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2392,6 +2392,7 @@ class FixedArray: public FixedArrayBase {
   // Setter and getter for elements.
   inline Object* get(int index) const;
   void SetValue(uint32_t index, Object* value);
+  void SetValue(uint32_t index, Object* value, WriteBarrierMode mode);
   static inline Handle<Object> get(Handle<FixedArray> array, int index);
   // Setter that uses write barrier.
   inline void set(int index, Object* value);
@@ -4303,7 +4304,7 @@ class FixedTypedArray: public FixedTypedArrayBase {
 
   // This accessor applies the correct conversion from Smi, HeapNumber
   // and undefined.
-  void SetValue(uint32_t index, Object* value);
+  inline void SetValue(uint32_t index, Object* value);
 
   DECLARE_PRINTER(FixedTypedArray)
   DECLARE_VERIFIER(FixedTypedArray)