Added page to Observatory to display native memory allocation information.

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

 // 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';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 
 enum ProfileTreeMode { code, function, }
+enum ProfileTreeType { cpu, memory, }

[Cutch, 2017/03/23 23:39:44]

Why are there two enums that define the same keys?

[bkonyi, 2017/03/24 00:53:38]

Huh, somehow I completely forgot I had added them in sample_profile.dart...
Removed.

 
 class StackTraceTreeConfigChangedEvent {
   final StackTraceTreeConfigElement element;
   StackTraceTreeConfigChangedEvent(this.element);
 }
 
 class StackTraceTreeConfigElement extends HtmlElement implements Renderable {
   static const tag =
       const Tag<StackTraceTreeConfigElement>('stack-trace-tree-config');
 
@@ skipping 232 matching lines @@
   }
 
   StackTraceTreeConfigChangedEvent _toEvent(_) {
     return new StackTraceTreeConfigChangedEvent(this);
   }
 
   void _triggerModeChange(e) => _onModeChange.add(e);
   void _triggerDirectionChange(e) => _onDirectionChange.add(e);
   void _triggerFilterChange(e) => _onFilterChange.add(e);
 }