Clean up JSON Schema Compiler.

tools/json_schema_compiler/dart_test/enums.dart

 // Copyright (c) 2013, 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.
 
-// Generated from namespace: empty_namespace
+// Generated from namespace: enums
 
 part of chrome;
+
+/**
+ * Types
+ */
+
 /**
  * Functions
  */
 
-class API_empty_namespace {
+class API_enums {
   /*
    * API connection
    */
   Object _jsObject;
-  API_empty_namespace(this._jsObject) {
+  API_enums(this._jsObject) {
   }
 }