ArrayShift builtin handlified.

src/elements.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 47 matching lines @@
   virtual bool HasElement(Object* receiver,
                           JSObject* holder,
                           uint32_t key,
                           FixedArrayBase* backing_store = NULL) = 0;
 
   // Returns the element with the specified key or undefined if there is no such
   // element. This method doesn't iterate up the prototype chain.  The caller
   // can optionally pass in the backing store to use for the check, which must
   // be compatible with the ElementsKind of the ElementsAccessor. If
   // backing_store is NULL, the holder->elements() is used as the backing store.
+  MUST_USE_RESULT virtual Handle<Object> Get(
+      Handle<Object> receiver,
+      Handle<JSObject> holder,
+      uint32_t key,
+      Handle<FixedArrayBase> backing_store =
+          Handle<FixedArrayBase>::null()) = 0;
+
   MUST_USE_RESULT virtual MaybeObject* Get(
       Object* receiver,
       JSObject* holder,
       uint32_t key,
       FixedArrayBase* backing_store = NULL) = 0;
 
   // Returns an element's attributes, or ABSENT if there is no such
   // element. This method doesn't iterate up the prototype chain.  The caller
   // can optionally pass in the backing store to use for the check, which must
   // be compatible with the ElementsKind of the ElementsAccessor. If
@@ skipping 123 matching lines @@
 
 void CheckArrayAbuse(JSObject* obj, const char* op, uint32_t key,
                      bool allow_appending = false);
 
 Handle<Object> ArrayConstructInitializeElements(Handle<JSArray> array,
                                                 Arguments* args);
 
 } }  // namespace v8::internal
 
 #endif  // V8_ELEMENTS_H_