Make more use of generated code in analysis server.

pkg/analysis_server/test/analysis_notification_outline_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.outline;
 
 import 'dart:async';
 
-import 'package:analysis_server/src/computer/computer_outline.dart';
-import 'package:analysis_server/src/computer/element.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
-import 'package:analysis_server/src/protocol2.dart' show AnalysisService,
-    ElementKind;
+import 'package:analysis_server/src/protocol2.dart';
 import 'package:analysis_testing/reflective_tests.dart';
 import 'package:unittest/unittest.dart';
 
 import 'analysis_abstract.dart';
 
 
 main() {
   runReflectiveTests(_AnalysisNotificationOutlineTest);
 }
 
 
 @ReflectiveTestCase()
 class _AnalysisNotificationOutlineTest extends AbstractAnalysisTest {
   Outline outline;
 
   Future prepareOutline() {
     addAnalysisSubscription(AnalysisService.OUTLINE, testFile);
     return waitForTasksFinished();
   }
 
   void processNotification(Notification notification) {
     if (notification.event == ANALYSIS_OUTLINE) {
-      String file = notification.getParameter(FILE);
-      if (file == testFile) {
-        Map<String, Object> json = notification.getParameter(OUTLINE);
-        outline = new Outline.fromJson(json);
+      var params = new AnalysisOutlineParams.fromNotification(notification);
+      if (params.file == testFile) {
+        outline = params.outline;
       }
     }
   }
 
   @override
   void setUp() {
     super.setUp();
     createProject();
   }
 
@@ skipping 688 matching lines @@
           Location location = element.location;
           expect(location.offset, testCode.indexOf("propB(int v) {}"));
           expect(location.length, "propB".length);
         }
         expect(element.parameters, "(int v)");
         expect(element.returnType, "");
       }
     });
   }
 }