Expose Service Describer in Dart mojo package

mojo/dart/packages/mojo_services/lib/mojo/surfaces.mojom.dart

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 library surfaces_mojom;
 
 import 'dart:async';
 
 import 'package:mojo/bindings.dart' as bindings;
 import 'package:mojo/core.dart' as core;
@@ skipping 1263 matching lines @@
 }
 
 
 
 
 const int _ResourceReturner_returnResourcesName = 0;
 
 
 
 class _ResourceReturnerServiceDescription implements service_describer.ServiceDescription {
-  dynamic getTopLevelInterface([Function responseFactory]) => null;
+  dynamic getTopLevelInterface([Function responseFactory]) =>
+      responseFactory(null);
 
-  dynamic getTypeDefinition(String typeKey, [Function responseFactory]) => null;
+  dynamic getTypeDefinition(String typeKey, [Function responseFactory]) =>
+      responseFactory(null);
 
-  dynamic getAllTypeDefinitions([Function responseFactory]) => null;
+  dynamic getAllTypeDefinitions([Function responseFactory]) =>
+      responseFactory(null);
 }
 
 abstract class ResourceReturner {
   static const String serviceName = null;
   void returnResources(List<ReturnedResource> resources);
 }
 
 
 class _ResourceReturnerProxyImpl extends bindings.Proxy {
   _ResourceReturnerProxyImpl.fromEndpoint(
@@ skipping 150 matching lines @@
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
     return "ResourceReturnerStub($superString)";
   }
 
   int get version => 0;
 
-  service_describer.ServiceDescription get serviceDescription =>
-    new _ResourceReturnerServiceDescription();
+  static service_describer.ServiceDescription _cachedServiceDescription;
+  static service_describer.ServiceDescription get serviceDescription {
+    if (_cachedServiceDescription == null) {
+      _cachedServiceDescription = new _ResourceReturnerServiceDescription();
+    }
+    return _cachedServiceDescription;
+  }
 }
 
 const int _Surface_getIdNamespaceName = 0;
 const int _Surface_setResourceReturnerName = 1;
 const int _Surface_createSurfaceName = 2;
 const int _Surface_submitFrameName = 3;
 const int _Surface_destroySurfaceName = 4;
 
 
 
 class _SurfaceServiceDescription implements service_describer.ServiceDescription {
-  dynamic getTopLevelInterface([Function responseFactory]) => null;
+  dynamic getTopLevelInterface([Function responseFactory]) =>
+      responseFactory(null);
 
-  dynamic getTypeDefinition(String typeKey, [Function responseFactory]) => null;
+  dynamic getTypeDefinition(String typeKey, [Function responseFactory]) =>
+      responseFactory(null);
 
-  dynamic getAllTypeDefinitions([Function responseFactory]) => null;
+  dynamic getAllTypeDefinitions([Function responseFactory]) =>
+      responseFactory(null);
 }
 
 abstract class Surface {
   static const String serviceName = "mojo::Surface";
   dynamic getIdNamespace([Function responseFactory = null]);
   void setResourceReturner(Object returner);
   void createSurface(int idLocal);
   dynamic submitFrame(int idLocal,Frame frame,[Function responseFactory = null]);
   void destroySurface(int idLocal);
 }
@@ skipping 293 matching lines @@
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
     return "SurfaceStub($superString)";
   }
 
   int get version => 0;
 
-  service_describer.ServiceDescription get serviceDescription =>
-    new _SurfaceServiceDescription();
+  static service_describer.ServiceDescription _cachedServiceDescription;
+  static service_describer.ServiceDescription get serviceDescription {
+    if (_cachedServiceDescription == null) {
+      _cachedServiceDescription = new _SurfaceServiceDescription();
+    }
+    return _cachedServiceDescription;
+  }
 }