Expose Service Describer in Dart mojo package

mojo/dart/packages/mojo_services/lib/keyboard/keyboard.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 keyboard_mojom;
 
 import 'dart:async';
 
 import 'package:mojo/bindings.dart' as bindings;
 import 'package:mojo/core.dart' as core;
@@ skipping 1467 matching lines @@
 const int _KeyboardClient_commitTextName = 2;
 const int _KeyboardClient_deleteSurroundingTextName = 3;
 const int _KeyboardClient_setComposingRegionName = 4;
 const int _KeyboardClient_setComposingTextName = 5;
 const int _KeyboardClient_setSelectionName = 6;
 const int _KeyboardClient_submitName = 7;
 
 
 
 class _KeyboardClientServiceDescription 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 KeyboardClient {
   static const String serviceName = null;
   void commitCompletion(CompletionData completion);
   void commitCorrection(CorrectionData correction);
   void commitText(String text, int newCursorPosition);
   void deleteSurroundingText(int beforeLength, int afterLength);
   void setComposingRegion(int start, int end);
   void setComposingText(String text, int newCursorPosition);
@@ skipping 260 matching lines @@
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
     return "KeyboardClientStub($superString)";
   }
 
   int get version => 0;
 
-  service_describer.ServiceDescription get serviceDescription =>
-    new _KeyboardClientServiceDescription();
+  static service_describer.ServiceDescription _cachedServiceDescription;
+  static service_describer.ServiceDescription get serviceDescription {
+    if (_cachedServiceDescription == null) {
+      _cachedServiceDescription = new _KeyboardClientServiceDescription();
+    }
+    return _cachedServiceDescription;
+  }
 }
 
 const int _KeyboardService_showName = 0;
 const int _KeyboardService_showByRequestName = 1;
 const int _KeyboardService_hideName = 2;
 const int _KeyboardService_setTextName = 3;
 const int _KeyboardService_setSelectionName = 4;
 
 
 
 class _KeyboardServiceServiceDescription 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 KeyboardService {
   static const String serviceName = "keyboard::KeyboardService";
   void show(Object client, KeyboardType type);
   void showByRequest();
   void hide();
   void setText(String text);
   void setSelection(int start, int end);
 }
@@ skipping 210 matching lines @@
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
     return "KeyboardServiceStub($superString)";
   }
 
   int get version => 0;
 
-  service_describer.ServiceDescription get serviceDescription =>
-    new _KeyboardServiceServiceDescription();
+  static service_describer.ServiceDescription _cachedServiceDescription;
+  static service_describer.ServiceDescription get serviceDescription {
+    if (_cachedServiceDescription == null) {
+      _cachedServiceDescription = new _KeyboardServiceServiceDescription();
+    }
+    return _cachedServiceDescription;
+  }
 }
 
 const int _KeyboardServiceFactory_createKeyboardServiceName = 0;
 
 
 
 class _KeyboardServiceFactoryServiceDescription 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 KeyboardServiceFactory {
   static const String serviceName = "keyboard::KeyboardServiceFactory";
   void createKeyboardService(Object keyEventDispatcher, Object serviceRequest);
 }
 
 
 class _KeyboardServiceFactoryProxyImpl extends bindings.Proxy {
   _KeyboardServiceFactoryProxyImpl.fromEndpoint(
@@ skipping 151 matching lines @@
     _impl = d;
   }
 
   String toString() {
     var superString = super.toString();
     return "KeyboardServiceFactoryStub($superString)";
   }
 
   int get version => 0;
 
-  service_describer.ServiceDescription get serviceDescription =>
-    new _KeyboardServiceFactoryServiceDescription();
+  static service_describer.ServiceDescription _cachedServiceDescription;
+  static service_describer.ServiceDescription get serviceDescription {
+    if (_cachedServiceDescription == null) {
+      _cachedServiceDescription = new _KeyboardServiceFactoryServiceDescription();
+    }
+    return _cachedServiceDescription;
+  }
 }