[builtins] Begin removing CodeFactory accessors

src/builtins/builtins-iterator-gen.cc

 // Copyright 2017 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/builtins/builtins-iterator-gen.h"
 
 namespace v8 {
 namespace internal {
 
 using compiler::Node;
@@ skipping 59 matching lines @@
     // IteratorComplete
     // 2. Return ToBoolean(? Get(iterResult, "done")).
     Node* done = GetProperty(context, result, factory()->done_string());
     var_done.Bind(done);
 
     Label to_boolean(this, Label::kDeferred);
     GotoIf(TaggedIsSmi(done), &to_boolean);
     Branch(IsBoolean(done), &return_result, &to_boolean);
 
     BIND(&to_boolean);
-    var_done.Bind(CallStub(CodeFactory::ToBoolean(isolate()), context, done));
+    var_done.Bind(CallBuiltin(Builtins::kToBoolean, context, done));
     Goto(&return_result);
   }
 
   BIND(&if_notobject);
   {
     CallRuntime(Runtime::kThrowIteratorResultNotAnObject, context, result);
     Goto(if_done);
   }
 
   BIND(&return_result);
@@ skipping 64 matching lines @@
 
   BIND(&rethrow_exception);
   {
     CallRuntime(Runtime::kReThrow, context, exception);
     Unreachable();
   }
 }
 
 }  // namespace internal
 }  // namespace v8