Finish modifying analysis server to make use of code generation.

pkg/analysis_server/test/channel_test.dart

 // Copyright (c) 2014, 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.
 
 library test.channel;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
 import 'package:analysis_server/src/channel.dart';
-import 'package:analysis_server/src/protocol.dart';
+import 'package:analysis_server/src/protocol.dart' hide Error;
 import 'package:unittest/unittest.dart';
 
 import 'mocks.dart';
 
 main() {
   group('WebSocketChannel', () {
     setUp(WebSocketChannelTest.setUp);
     test('close', WebSocketChannelTest.close);
     test('invalidJsonToClient', WebSocketChannelTest.invalidJsonToClient);
     test('invalidJsonToServer', WebSocketChannelTest.invalidJsonToServer);
@@ skipping 220 matching lines @@
     return pumpEventQueue().then((_) {
       expect(responses.length, equals(1));
       expect(responses[0].id, equals('72'));
     });
   }
 
   static Future sendRequest() {
     int assertCount = 0;
     Request request = new Request('72', 'foo.bar');
     outputLineStream.first
-        .then((line) => new JsonDecoder().convert(line))
+        .then((line) => JSON.decode(line))
         .then((json) {
           expect(json[Request.ID], equals('72'));
           expect(json[Request.METHOD], equals('foo.bar'));
           inputSink.writeln('{"id":"73"}');
           inputSink.writeln('{"id":"72"}');
           assertCount++;
         });
     channel.sendRequest(request)
         .then((Response response) {
           expect(response.id, equals('72'));
@@ skipping 122 matching lines @@
     channel.sendResponse(new Response('foo'));
     return outputLineStream.first.timeout(new Duration(seconds: 1)).then((String
         response) {
       var jsonResponse = new JsonCodec().decode(response);
       expect(jsonResponse, isMap);
       expect(jsonResponse, contains('id'));
       expect(jsonResponse['id'], equals('foo'));
     });
   }
 }