Revert "Added page to Observatory to display native memory allocation information."

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

Index: runtime/observatory/lib/src/elements/native_memory_profiler.dart
diff --git a/runtime/observatory/lib/src/elements/native_memory_profiler.dart b/runtime/observatory/lib/src/elements/native_memory_profiler.dart
deleted file mode 100644
index 688f4fd9928b54e006b0ce00d79aecc7ff1eb712..0000000000000000000000000000000000000000
--- a/runtime/observatory/lib/src/elements/native_memory_profiler.dart
+++ /dev/null
@@ -1,162 +0,0 @@
-// 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.
-
-library native_memory_profile;
-
-import 'dart:async';
-import 'dart:html';
-import 'package:observatory/models.dart' as M;
-import 'package:observatory/src/elements/cpu_profile/virtual_tree.dart';
-import 'package:observatory/src/elements/helpers/nav_bar.dart';
-import 'package:observatory/src/elements/helpers/nav_menu.dart';
-import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
-import 'package:observatory/src/elements/helpers/tag.dart';
-import 'package:observatory/src/elements/helpers/uris.dart';
-import 'package:observatory/src/elements/nav/notify.dart';
-import 'package:observatory/src/elements/nav/refresh.dart';
-import 'package:observatory/src/elements/nav/top_menu.dart';
-import 'package:observatory/src/elements/nav/vm_menu.dart';
-import 'package:observatory/src/elements/sample_buffer_control.dart';
-import 'package:observatory/src/elements/stack_trace_tree_config.dart';
-
-class NativeMemoryProfileElement extends HtmlElement implements Renderable {
-  static const tag = const Tag<NativeMemoryProfileElement>(
-      'native-memory-profile',
-      dependencies: const [
-        NavTopMenuElement.tag,
-        NavVMMenuElement.tag,
-        NavRefreshElement.tag,
-        NavNotifyElement.tag,
-        SampleBufferControlElement.tag,
-        StackTraceTreeConfigElement.tag,
-        CpuProfileVirtualTreeElement.tag,
-      ]);
-
-  RenderingScheduler<NativeMemoryProfileElement> _r;
-
-  Stream<RenderedEvent<NativeMemoryProfileElement>> get onRendered =>
-      _r.onRendered;
-
-  M.VM _vm;
-  M.EventRepository _events;
-  M.NotificationRepository _notifications;
-  M.NativeMemorySampleProfileRepository _profiles;
-  Stream<M.SampleProfileLoadingProgressEvent> _progressStream;
-  M.SampleProfileLoadingProgress _progress;
-  M.SampleProfileTag _tag = M.SampleProfileTag.none;
-  ProfileTreeMode _mode = ProfileTreeMode.function;
-  M.ProfileTreeDirection _direction = M.ProfileTreeDirection.exclusive;
-  String _filter = '';
-
-  M.NotificationRepository get notifications => _notifications;
-  M.NativeMemorySampleProfileRepository get profiles => _profiles;
-  // With non-isolate version.
-  M.VMRef get vm => _vm;
-
-  factory NativeMemoryProfileElement(
-      M.VM vm,
-      M.EventRepository events,
-      M.NotificationRepository notifications,
-      M.NativeMemorySampleProfileRepository profiles,
-      {RenderingQueue queue}) {
-    assert(vm != null);
-    assert(events != null);
-    assert(notifications != null);
-    assert(profiles != null);
-    NativeMemoryProfileElement e = document.createElement(tag.name);
-    e._r = new RenderingScheduler(e, queue: queue);
-    e._vm = vm;
-    e._events = events;
-    e._notifications = notifications;
-    e._profiles = profiles;
-    return e;
-  }
-
-  NativeMemoryProfileElement.created() : super.created();
-
-  @override
-  attached() {
-    super.attached();
-    _r.enable();
-    _request();
-  }
-
-  @override
-  detached() {
-    super.detached();
-    _r.disable(notify: true);
-    children = [];
-  }
-
-  void render() {
-    var content = [
-      navBar([
-        new NavTopMenuElement(queue: _r.queue),
-        new NavVMMenuElement(_vm, _events, queue: _r.queue),
-        navMenu('native memory profile', link: Uris.nativeMemory()),
-        new NavRefreshElement(queue: _r.queue)..onRefresh.listen(_refresh),
-        new NavNotifyElement(_notifications, queue: _r.queue)
-      ]),
-    ];
-    if (_progress == null) {
-      children = content;
-      return;
-    }
-    content.add(new SampleBufferControlElement(_progress, _progressStream,
-        selectedTag: _tag, queue: _r.queue)
-      ..onTagChange.listen((e) {
-        _tag = e.element.selectedTag;
-        _request();
-      }));
-    if (_progress.status == M.SampleProfileLoadingStatus.loaded) {
-      CpuProfileVirtualTreeElement tree;
-      content.addAll([
-        new BRElement(),
-        new StackTraceTreeConfigElement(
-            mode: _mode,
-            direction: _direction,
-            filter: _filter,
-            queue: _r.queue)
-          ..onModeChange.listen((e) {
-            _mode = tree.mode = e.element.mode;
-          })
-          ..onFilterChange.listen((e) {
-            _filter = e.element.filter.trim();
-            tree.filters = _filter.isNotEmpty
-                ? [
-                    (node) {
-                      return node.name.contains(_filter);
-                    }
-                  ]
-                : const [];
-          })
-          ..onDirectionChange.listen((e) {
-            _direction = tree.direction = e.element.direction;
-          }),
-        new BRElement(),
-        tree = new CpuProfileVirtualTreeElement(_vm, _progress.profile,
-            queue: _r.queue, type: M.SampleProfileType.memory)
-      ]);
-    }
-    children = content;
-  }
-
-  Future _request({bool forceFetch: false}) async {
-    _progress = null;
-    _progressStream = _profiles.get(_vm, _tag, forceFetch: forceFetch);
-    _r.dirty();
-    _progress = (await _progressStream.first).progress;
-    _r.dirty();
-    if (M.isSampleProcessRunning(_progress.status)) {
-      _progress = (await _progressStream.last).progress;
-      _r.dirty();
-    }
-  }
-
-  Future _refresh(e) async {
-    e.element.disabled = true;
-    await _request(forceFetch: true);
-    e.element.disabled = false;
-  }
-}