Centralized event streams

runtime/observatory/lib/src/app/page.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.
 
 part of app;
 
 class IsolateNotFound implements Exception {
   String isolateId;
   IsolateNotFound(this.isolateId);
   String toString() => "IsolateNotFound: $isolateId";
@@ skipping 106 matching lines @@
     });
   }
 }
 
 class FlagsPage extends SimplePage {
   FlagsPage(app) : super('flags', 'flag-list', app);
 
   @override
   onInstall() {
     element = new FlagListElement(app.vm,
-        app.vm.changes.map((_) => new VMUpdateEventMock(vm: app.vm)),
-        new FlagsRepository(),
-        app.notifications);
+                                  app.events,
+                                  new FlagsRepository(app.vm),
+                                  app.notifications);
   }
 
   void _visit(Uri uri) {
     super._visit(uri);
   }
 }
 
 class InspectPage extends SimplePage {
   InspectPage(app) : super('inspect', 'service-view', app);
 
@@ skipping 215 matching lines @@
   bool canVisit(Uri uri) => uri.path == 'error';
 }
 
 class VMConnectPage extends Page {
   VMConnectPage(app) : super(app);
 
   void onInstall() {
     if (element == null) {
       element = new VMConnectElement(
             ObservatoryApplication.app.targets,
-            new CrashDumpRepositoryMock(
-                load: ObservatoryApplication.app.loadCrashDump),
+            ObservatoryApplication.app.loadCrashDump,
             ObservatoryApplication.app.notifications,
             queue: ObservatoryApplication.app.queue);
     }
     assert(element != null);
   }
 
   void _visit(Uri uri) {
     assert(element != null);
     assert(canVisit(uri));
   }
@@ skipping 89 matching lines @@
     assert(element != null);
   }
 
   void _visit(Uri uri) {
     assert(element != null);
     assert(canVisit(uri));
   }
 
   bool canVisit(Uri uri) => uri.path == 'timeline';
 }