Introduce convenience methods into generated analysis server classes.

pkg/analysis_server/test/services/correction/change_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.services.correction.change;
 
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol2.dart' show SourceEdit;
 import 'package:analysis_server/src/services/correction/change.dart';
 import 'package:analysis_testing/reflective_tests.dart';
@@ skipping 126 matching lines @@
     change.toString();
   }
 }
 
 
 @ReflectiveTestCase()
 class EditTest {
   void test_applySequence() {
     SourceEdit edit1 = new SourceEdit(5, 2, 'abc');
     SourceEdit edit2 = new SourceEdit(1, 0, '!');
-    expect(applySequence('0123456789', [edit1, edit2]), '0!1234abc789');
+    expect(SourceEdit.applySequence('0123456789', [edit1, edit2]), '0!1234abc789');
   }
 
   void test_eqEq() {
     SourceEdit a = new SourceEdit(1, 2, 'aaa');
     SourceEdit a2 = new SourceEdit(1, 2, 'aaa');
     SourceEdit b = new SourceEdit(1, 2, 'aaa');
     expect(a == a, isTrue);
     expect(a == new SourceEdit(1, 2, 'aaa'), isTrue);
     expect(a == this, isFalse);
     expect(a == new SourceEdit(1, 2, 'bbb'), isFalse);
     expect(a == new SourceEdit(10, 2, 'aaa'), isFalse);
   }
 
   void test_new() {
     SourceEdit edit = new SourceEdit(1, 2, 'foo', id: 'my-id');
     expect(edit.offset, 1);
     expect(edit.length, 2);
     expect(edit.replacement, 'foo');
     expect(
         edit.toJson(),
         {'offset': 1, 'length': 2, 'replacement': 'foo', 'id': 'my-id'});
   }
 
   void test_editFromRange() {
     SourceRange range = new SourceRange(1, 2);
-    SourceEdit edit = editFromRange(range, 'foo');
+    SourceEdit edit = new SourceEdit.range(range, 'foo');
     expect(edit.offset, 1);
     expect(edit.length, 2);
     expect(edit.replacement, 'foo');
   }
   void test_toJson() {
     SourceEdit edit = new SourceEdit(1, 2, 'foo');
     var expectedJson = {
       OFFSET: 1,
       LENGTH: 2,
       REPLACEMENT: 'foo'
@@ skipping 145 matching lines @@
 
   void test_toJson() {
     Position position = new Position('/test.dart', 1);
     var expectedJson = {
       FILE: '/test.dart',
       OFFSET: 1
     };
     expect(position.toJson(), expectedJson);
   }
 }