Consistently order receiver and holder argument in ElementAccessor.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 5205bcb35bbdb781edf82f74661336fb43d4e1c7..940120541e4ca51be3861fa72dca83c97b44fa80 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -691,10 +691,7 @@ MaybeObject* Object::GetElementWithReceiver(Object* receiver, uint32_t index) {
 
     if (js_object->elements() != heap->empty_fixed_array()) {
       MaybeObject* result = js_object->GetElementsAccessor()->Get(
-          js_object->elements(),
-          index,
-          js_object,
-          receiver);
+          receiver, js_object, index);
       if (result != heap->the_hole_value()) return result;
     }
   }
@@ -5551,7 +5548,7 @@ MaybeObject* PolymorphicCodeCacheHashTable::Put(MapHandleList* maps,
 MaybeObject* FixedArray::AddKeysFromJSArray(JSArray* array) {
   ElementsAccessor* accessor = array->GetElementsAccessor();
   MaybeObject* maybe_result =
-      accessor->AddElementsToFixedArray(array->elements(), this, array, array);
+      accessor->AddElementsToFixedArray(array, array, this);
   FixedArray* result;
   if (!maybe_result->To<FixedArray>(&result)) return maybe_result;
 #ifdef DEBUG
@@ -5569,7 +5566,7 @@ MaybeObject* FixedArray::AddKeysFromJSArray(JSArray* array) {
 MaybeObject* FixedArray::UnionOfKeys(FixedArray* other) {
   ElementsAccessor* accessor = ElementsAccessor::ForArray(other);
   MaybeObject* maybe_result =
-      accessor->AddElementsToFixedArray(other, this, NULL, NULL);
+      accessor->AddElementsToFixedArray(NULL, NULL, this, other);
   FixedArray* result;
   if (!maybe_result->To<FixedArray>(&result)) return maybe_result;
 #ifdef DEBUG
@@ -8895,7 +8892,7 @@ bool JSObject::HasElementWithInterceptor(JSReceiver* receiver, uint32_t index) {
   }
 
   if (holder_handle->GetElementsAccessor()->HasElement(
-          holder_handle->elements(), index, *holder_handle, *receiver_handle)) {
+          *receiver_handle, *holder_handle, index)) {
     return true;
   }
 
@@ -9033,7 +9030,7 @@ bool JSObject::HasElementWithReceiver(JSReceiver* receiver, uint32_t index) {
   }
 
   ElementsAccessor* accessor = GetElementsAccessor();
-  if (accessor->HasElement(elements(), index, this, receiver)) {
+  if (accessor->HasElement(receiver, this, index)) {
     return true;
   }
 
@@ -9894,10 +9891,9 @@ MaybeObject* JSObject::GetElementWithInterceptor(Object* receiver,
 
   Heap* heap = holder_handle->GetHeap();
   ElementsAccessor* handler = holder_handle->GetElementsAccessor();
-  MaybeObject* raw_result = handler->Get(holder_handle->elements(),
-                                         index,
+  MaybeObject* raw_result = handler->Get(*this_handle,
                                          *holder_handle,
-                                         *this_handle);
+                                         index);
   if (raw_result != heap->the_hole_value()) return raw_result;
 
   RETURN_IF_SCHEDULED_EXCEPTION(isolate);