Expose Service Describer in Dart mojo package

mojo/dart/unittests/embedder_tests/bindings_generation_test.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.
 
 import 'dart:async';
 import 'dart:isolate';
 import 'dart:typed_data';
 import 'dart:convert';
 
 import 'package:mojo/bindings.dart' as bindings;
@@ skipping 614 matching lines @@
 
   mojom_types.UserDefinedType udt = testValidationDescriptor[interfaceID];
   Expect.isNotNull(udt);
 
   mojom_types.MojomInterface mi = udt.interfaceType;
   Expect.isNotNull(mi);
 
   _checkMojomInterface(mi, shortName, fullIdentifier, methodMap);
 
   // The proxy and stub need to have a valid serviceDescription.
-  var bcti_p = new validation.BoundsCheckTestInterfaceProxy.unbound().impl;
-  var bcti_s = new validation.BoundsCheckTestInterfaceStub.unbound();
+  var boundsCheckProxyImpl =
+      new validation.BoundsCheckTestInterfaceProxy.unbound().impl;
+  var boundsCheckStubDescription =
+      validation.BoundsCheckTestInterfaceStub.serviceDescription;
 
   _checkServiceDescription(
-      bcti_p.serviceDescription, interfaceID, shortName, fullIdentifier,
-      methodMap);
+      boundsCheckProxyImpl.serviceDescription, interfaceID, shortName,
+      fullIdentifier, methodMap);
   _checkServiceDescription(
-      bcti_s.serviceDescription, interfaceID, shortName, fullIdentifier,
+      boundsCheckStubDescription, interfaceID, shortName, fullIdentifier,
       methodMap);
 }
 
 _checkServiceDescription(service_describer.ServiceDescription sd,
     String interfaceID, String shortName, String fullIdentifier,
     Map<int, String> methodMap) {
   // Check the top level interface, which must pass _checkMojomInterface.
-  mojom_types.MojomInterface mi = sd.getTopLevelInterface();
+  Function identity = (v) => v;
+  mojom_types.MojomInterface mi = sd.getTopLevelInterface(identity);
   _checkMojomInterface(mi, shortName, fullIdentifier, methodMap);
 
   // Try out sd.GetTypeDefinition with the given interfaceID.
-  mojom_types.UserDefinedType udt = sd.getTypeDefinition(interfaceID);
+  mojom_types.UserDefinedType udt = sd.getTypeDefinition(interfaceID, identity);
   Expect.isNotNull(udt.interfaceType);
   _checkMojomInterface(udt.interfaceType, shortName, fullIdentifier, methodMap);
 
   // Check all type definitions. Reflect-wise, all data inside should match the
   // imported Descriptor.
-  var actualDescriptions = sd.getAllTypeDefinitions();
+  var actualDescriptions = sd.getAllTypeDefinitions(identity);
   var expectedDescriptions = validation.getAllMojomTypeDefinitions();
   Expect.mapEquals(actualDescriptions, expectedDescriptions);
 }
 
 _checkMojomInterface(mojom_types.MojomInterface mi, String shortName,
     String fullIdentifier, Map<int, String> methodMap) {
   // check the generated short name.
   Expect.isNotNull(mi.declData);
   Expect.equals(mi.declData.shortName, shortName);
   Expect.equals(mi.declData.fullIdentifier, fullIdentifier);
@@ skipping 59 matching lines @@
   testValidateMojomTypes();
   testCamelCase();
   testSerializeErrorMessage();
   await testEnums();
   await testCallResponse();
   await testAwaitCallResponse();
   await runOnClosedTest();
   await testRegression551();
   await testServiceName();
 }