Finish modifying analysis server to make use of code generation.

pkg/analysis_server/test/analysis_notification_occurrences_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.domain.analysis.notification.occurrences;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
-import 'package:analysis_server/src/protocol2.dart';
 import 'package:analysis_testing/reflective_tests.dart';
 import 'package:unittest/unittest.dart';
 
 import 'analysis_abstract.dart';
 
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(AnalysisNotificationOccurrencesTest);
 }
@@ skipping 227 matching lines @@
     addTestFile('''
 void main() {
 }
 ''');
     return prepareOccurrences().then((_) {
       int offset = findOffset('void main()');
       findRegion(offset, 'void'.length, false);
     });
   }
 }