Remove receiver as parameter to Get/Has Element in the accessors.

src/elements.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ELEMENTS_H_
 #define V8_ELEMENTS_H_
 
 #include "src/elements-kind.h"
 #include "src/heap/heap.h"
 #include "src/isolate.h"
@@ skipping 15 matching lines @@
   // Checks the elements of an object for consistency, asserting when a problem
   // is found.
   virtual void Validate(Handle<JSObject> obj) = 0;
 
   // Returns true if a holder contains an element with the specified key
   // without iterating 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.
   virtual bool HasElement(
-      Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key,
       Handle<FixedArrayBase> backing_store) = 0;
 
   inline bool HasElement(
-      Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key) {
-    return HasElement(receiver, holder, key, handle(holder->elements()));
+    return HasElement(holder, key, handle(holder->elements()));
   }
 
   // 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 MaybeHandle<Object> Get(
       Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key,
       Handle<FixedArrayBase> backing_store) = 0;
 
   MUST_USE_RESULT inline MaybeHandle<Object> Get(
       Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key) {
     return Get(receiver, holder, key, handle(holder->elements()));
   }
 
   // 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
   // backing_store is NULL, the holder->elements() is used as the backing store.
   MUST_USE_RESULT virtual PropertyAttributes GetAttributes(
-      Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key,
       Handle<FixedArrayBase> backing_store) = 0;
 
   MUST_USE_RESULT inline PropertyAttributes GetAttributes(
-      Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key) {
-    return GetAttributes(receiver, holder, key, handle(holder->elements()));
+    return GetAttributes(holder, key, handle(holder->elements()));
   }
 
   // Returns an element's accessors, or NULL if the element does not exist or
   // is plain. 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 MaybeHandle<AccessorPair> GetAccessorPair(
-      Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key,
       Handle<FixedArrayBase> backing_store) = 0;
 
   MUST_USE_RESULT inline MaybeHandle<AccessorPair> GetAccessorPair(
-      Handle<Object> receiver,
       Handle<JSObject> holder,
       uint32_t key) {
-    return GetAccessorPair(receiver, holder, key, handle(holder->elements()));
+    return GetAccessorPair(holder, key, handle(holder->elements()));
   }
 
   // Modifies the length data property as specified for JSArrays and resizes the
   // underlying backing store accordingly. The method honors the semantics of
   // changing array sizes as defined in EcmaScript 5.1 15.4.5.2, i.e. array that
   // have non-deletable elements can only be shrunk to the size of highest
   // element that is non-deletable.
   MUST_USE_RESULT virtual MaybeHandle<Object> SetLength(
       Handle<JSArray> holder,
       Handle<Object> new_length) = 0;
@@ skipping 102 matching lines @@
 void CheckArrayAbuse(Handle<JSObject> obj, const char* op, uint32_t key,
                      bool allow_appending = false);
 
 MUST_USE_RESULT MaybeHandle<Object> ArrayConstructInitializeElements(
     Handle<JSArray> array,
     Arguments* args);
 
 } }  // namespace v8::internal
 
 #endif  // V8_ELEMENTS_H_