Introduce accessors on builtins instance

src/factory.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 969 matching lines @@
 Handle<JSObject> Factory::NewArgumentsObject(Handle<Object> callee,
                                              int length) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateArgumentsObject(*callee, length), JSObject);
 }
 
 
 Handle<JSFunction> Factory::CreateApiFunction(
     Handle<FunctionTemplateInfo> obj, ApiInstanceType instance_type) {
-  Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin(
-      Builtins::HandleApiCall));
-  Handle<Code> construct_stub =
-      Handle<Code>(isolate()->builtins()->builtin(
-          Builtins::JSConstructStubApi));
+  Handle<Code> code = isolate()->builtins()->HandleApiCall();
+  Handle<Code> construct_stub = isolate()->builtins()->JSConstructStubApi();
 
   int internal_field_count = 0;
   if (!obj->instance_template()->IsUndefined()) {
     Handle<ObjectTemplateInfo> instance_template =
         Handle<ObjectTemplateInfo>(
             ObjectTemplateInfo::cast(obj->instance_template()));
     internal_field_count =
         Smi::cast(instance_template->internal_field_count())->value();
   }
 
@@ skipping 177 matching lines @@
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal