Address review comments of https://codereview.chromium.org/11299020/

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
@@ skipping 2025 matching lines @@
 }
 
 
 void Class::set_allocation_stub(const Code& value) const {
   ASSERT(!value.IsNull());
   ASSERT(raw_ptr()->allocation_stub_ == Code::null());
   StorePointer(&raw_ptr()->allocation_stub_, value.raw());
 }
 
 
+bool Class::IsListClass() const {
+  return raw() == Isolate::Current()->object_store()->list_class();
+}
+
+
 bool Class::IsCanonicalSignatureClass() const {
   const Function& function = Function::Handle(signature_function());
   return (!function.IsNull() && (function.signature_class() == raw()));
 }
 
 
 // If test_kind == kIsSubtypeOf, checks if type S is a subtype of type T.
 // If test_kind == kIsMoreSpecificThan, checks if S is more specific than T.
 // Type S is specified by this class parameterized with 'type_arguments', and
 // type T by class 'other' parameterized with 'other_type_arguments'.
@@ skipping 10105 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 }  // namespace dart