dart2js cps: Fix in how type variables are accessed.

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

Index: pkg/compiler/lib/src/js_backend/codegen/glue.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/glue.dart b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
index 391da3d45305c14709904cb1994863f41ada9704..277cf6e1c891c8a3c75111b1b632926eb499daf6 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/glue.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
@@ -159,7 +159,7 @@ class Glue {
     return _backend.getRuntimeTypeToString();
   }
 
-  FunctionElement getTypeArgumentWithSubstitution() {
+  FunctionElement getRuntimeTypeArgument() {
     return _backend.getGetRuntimeTypeArgument();
   }
 
@@ -171,8 +171,8 @@ class Glue {
     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) {