Tiny cleanup, reduce direct usage of the LookupIterator

src/runtime.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 <stdlib.h>
 #include <limits>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 11019 matching lines @@
 // args[0]: object
 // args[1]: property name
 RUNTIME_FUNCTION(Runtime_DebugNamedInterceptorPropertyValue) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
   RUNTIME_ASSERT(obj->HasNamedInterceptor());
   CONVERT_ARG_HANDLE_CHECKED(Name, name, 1);
 
   Handle<Object> result;
-  LookupIterator it(obj, name, obj);
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result, JSObject::GetProperty(&it));
+      isolate, result, JSObject::GetProperty(obj, name));
   return *result;
 }
 
 
 // Return element value from indexed interceptor.
 // args[0]: object
 // args[1]: index
 RUNTIME_FUNCTION(Runtime_DebugIndexedInterceptorElementValue) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 2);
@@ skipping 4158 matching lines @@
   }
   return NULL;
 }
 
 
 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) {
   return &(kIntrinsicFunctions[static_cast<int>(id)]);
 }
 
 } }  // namespace v8::internal