Implement LookupIterator designed to replace LookupResult

src/api.cc

 // 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 3500 matching lines @@
                                         i::Handle<i::String> name,
                                         i::LookupResult* lookup) {
   if (!lookup->IsProperty()) {
     // No real property was found.
     return Local<Value>();
   }
 
   // If the property being looked up is a callback, it can throw
   // an exception.
   EXCEPTION_PREAMBLE(isolate);
-  PropertyAttributes ignored;
+  i::LookupIterator it(receiver, name);
   i::Handle<i::Object> result;
-  has_pending_exception = !i::Object::GetProperty(
-      receiver, receiver, lookup, name, &ignored).ToHandle(&result);
+  has_pending_exception = !i::Object::GetProperty(&it).ToHandle(&result);
   EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
 
   return Utils::ToLocal(result);
 }
 
 
 Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain(
     Handle<String> key) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate,
@@ skipping 4043 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal