dart2js cps: Fix in how type variables are accessed.

pkg/compiler/lib/src/js_backend/codegen/glue.dart

 // Copyright (c) 2014, 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.
 
 library code_generator_dependencies;
 
 import '../js_backend.dart';
 import '../../dart2jslib.dart';
 import '../../js_emitter/js_emitter.dart';
 import '../../js/js.dart' as js;
@@ skipping 141 matching lines @@
   }
 
   FunctionElement getCreateRuntimeType() {
     return _backend.getCreateRuntimeType();
   }
 
   FunctionElement getRuntimeTypeToString() {
     return _backend.getRuntimeTypeToString();
   }
 
-  FunctionElement getTypeArgumentWithSubstitution() {
+  FunctionElement getRuntimeTypeArgument() {
     return _backend.getGetRuntimeTypeArgument();
   }
 
   FunctionElement getTypeArgumentByIndex() {
     return _backend.getGetTypeArgumentByIndex();
   }
 
   FunctionElement getAddRuntimeTypeInformation() {
     return _backend.getSetRuntimeTypeInfo();
   }
 
-  js.Expression getSubstitutionName(ClassElement cls) {
-    return js.string(_namer.substitutionName(cls));
+  js.Expression getRuntimeTypeName(ClassElement cls) {
+    return js.string(_namer.runtimeTypeName(cls));
   }
 
   int getTypeVariableIndex(TypeVariableType variable) {
     return RuntimeTypes.getTypeVariableIndex(variable.element);
   }
 
   bool needsSubstitutionForTypeVariableAccess(ClassElement cls) {
     ClassWorld classWorld = _compiler.world;
     if (classWorld.isUsedAsMixin(cls)) return true;
 
@@ skipping 36 matching lines @@
   String getTypeTestTag(DartType type) {
     return _backend.namer.operatorIsType(type);
   }
 
   bool operatorEqHandlesNullArgument(FunctionElement element) {
     return _backend.operatorEqHandlesNullArgument(element);
   }
 
   bool isListClass(ClassElement cls) => cls == _compiler.listClass;
 }