Converted Observatory persistent-hangles-page element

runtime/observatory/lib/src/elements/heap_snapshot.dart

 // Copyright (c) 2015, 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.
 
 // Copyright (c) 2013, 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.
 
 import 'dart:async';
 import 'dart:html';
@@ skipping 93 matching lines @@
     children = [];
   }
 
   void render() {
     final content = [
       new NavBarElement(queue: _r.queue)
         ..children = [
           new NavTopMenuElement(queue: _r.queue),
           new NavVMMenuElement(_vm, _events, queue: _r.queue),
           new NavIsolateMenuElement(_isolate, _events, queue: _r.queue),
-          new NavMenuElement('heap snapshot', link: Uris.profiler(_isolate),
+          new NavMenuElement('heap snapshot', link: Uris.heapSnapshot(_isolate),
               last: true, queue: _r.queue),
           new NavRefreshElement(queue: _r.queue)
               ..disabled = M.isHeapSnapshotProgressRunning(_progress?.status)
               ..onRefresh.listen((e) {
                 _refresh();
               }),
           new NavNotifyElement(_notifications, queue: _r.queue)
         ],
     ];
     if (_progress == null) {
@@ skipping 283 matching lines @@
                 selected: _mode == mode)
               ..text = modeToString(mode);
           }).toList(growable: false)
         ..onChange.listen((_) {
             _mode = HeapSnapshotTreeMode.values[s.selectedIndex];
             _r.dirty();
           })
     ];
   }
 }