Remove specialized access checks and overwrites altogether. They are already handled by GetOwnPrope…

src/objects.cc

 // Copyright 2013 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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/api.h"
 #include "src/arguments.h"
@@ skipping 12148 matching lines @@
                                         uint32_t arg_count,
                                         EnsureElementsMode mode) {
   // Elements in |Arguments| are ordered backwards (because they're on the
   // stack), but the method that's called here iterates over them in forward
   // direction.
   return EnsureCanContainElements(
       object, args->arguments() - first_arg - (arg_count - 1), arg_count, mode);
 }
 
 
-MaybeHandle<AccessorPair> JSObject::GetOwnPropertyAccessorPair(
-    Handle<JSObject> object,
-    Handle<Name> name) {
-  uint32_t index = 0;
-  if (name->AsArrayIndex(&index)) {
-    return GetOwnElementAccessorPair(object, index);
-  }
-
-  Isolate* isolate = object->GetIsolate();
-  LookupResult lookup(isolate);
-  object->LookupOwnRealNamedProperty(name, &lookup);
-
-  if (lookup.IsPropertyCallbacks() &&
-      lookup.GetCallbackObject()->IsAccessorPair()) {
-    return handle(AccessorPair::cast(lookup.GetCallbackObject()), isolate);
-  }
-  return MaybeHandle<AccessorPair>();
-}
-
-
 MaybeHandle<AccessorPair> JSObject::GetOwnElementAccessorPair(
     Handle<JSObject> object,
     uint32_t index) {
   if (object->IsJSGlobalProxy()) {
     Handle<Object> proto(object->GetPrototype(), object->GetIsolate());
     if (proto->IsNull()) return MaybeHandle<AccessorPair>();
     ASSERT(proto->IsJSGlobalObject());
     return GetOwnElementAccessorPair(Handle<JSObject>::cast(proto), index);
   }
 
@@ skipping 4744 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal