Revert "Add current rss and embedder name to Observatory"

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;
 
 final _allocationProfileRepository = new AllocationProfileRepository();
 final _breakpointRepository = new BreakpointRepository();
 final _classRepository = new ClassRepository();
 final _classSampleProfileRepository = new ClassSampleProfileRepository();
@@ skipping 17 matching lines @@
 final _persistentHandlesRepository = new PersistentHandlesRepository();
 final _portsRepository = new PortsRepository();
 final _scriptRepository = new ScriptRepository();
 final _singleTargetCacheRepository = new SingleTargetCacheRepository();
 final _stronglyReachangleInstancesRepository =
     new StronglyReachableInstancesRepository();
 final _subtypeTestCacheRepository = new SubtypeTestCacheRepository();
 final _topRetainingInstancesRepository = new TopRetainingInstancesRepository();
 final _typeArgumentsRepository = new TypeArgumentsRepository();
 final _unlinkedCallRepository = new UnlinkedCallRepository();
-final _vmrepository = new VMRepository();
 
 class IsolateNotFound implements Exception {
   String isolateId;
   IsolateNotFound(this.isolateId);
   String toString() => "IsolateNotFound: $isolateId";
 }
 
 RetainedSizeRepository _retainedSizeRepository = new RetainedSizeRepository();
 ReachableSizeRepository _reachableSizeRepository =
     new ReachableSizeRepository();
@@ skipping 115 matching lines @@
   void _visit(Uri uri) {
     super._visit(uri);
     if (app.vm == null) {
       Logger.root.severe('VMPage has no VM');
       // Reroute to vm-connect.
       app.locationManager.go(Uris.vmConnect());
       return;
     }
     app.vm.reload().then((VM vm) {
       container.children = [
-        new VMViewElement(vm, _vmrepository, app.events, app.notifications,
+        new VMViewElement(vm, app.events, app.notifications,
             new IsolateRepository(app.vm), _scriptRepository,
             queue: app.queue)
       ];
     }).catchError((e, stack) {
       Logger.root.severe('VMPage visit error: $e');
       // Reroute to vm-connect.
       app.locationManager.go(Uris.vmConnect());
     });
   }
 }
@@ skipping 517 matching lines @@
       Logger.root.severe('MemoryDashboard has no VM');
       // Reroute to vm-connect.
       app.locationManager.go(Uris.vmConnect());
       return;
     }
     final editor = getEditor(uri);
     app.vm.reload().then((VM vm) async {
       // Preload all isolates to avoid sorting problems.
       await Future.wait(vm.isolates.map((i) => i.load()));
       container.children = [
-        new MemoryDashboardElement(vm, _vmrepository, new IsolateRepository(vm),
-            editor, _allocationProfileRepository, app.events, app.notifications,
+        new MemoryDashboardElement(vm, new IsolateRepository(vm), editor,
+            _allocationProfileRepository, app.events, app.notifications,
             queue: app.queue)
       ];
     }).catchError((e, stack) {
       Logger.root.severe('MemoryDashboard visit error: $e');
       // Reroute to vm-connect.
       app.locationManager.go(Uris.vmConnect());
     });
   }
 
   void onInstall() {
@@ skipping 241 matching lines @@
     element = new TimelinePageElement(app.vm, app.events, app.notifications,
         queue: app.queue);
   }
 
   void _visit(Uri uri) {
     assert(canVisit(uri));
   }
 
   bool canVisit(Uri uri) => uri.path == 'timeline';
 }