Use dartfmt on Observatory code

runtime/observatory/lib/src/elements/curly_block.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.
 
 library curly_block_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
@@ skipping 19 matching lines @@
   Iterable<Element> _content = const [];
 
   bool get expanded => _expanded;
   bool get disabled => _disabled;
   Iterable<Element> get content => _content;
 
   set expanded(bool value) {
     if (_expanded != value) _onToggle.add(new CurlyBlockToggleEvent(this));
     _expanded = _r.checkAndReact(_expanded, value);
   }
+
   set disabled(bool value) => _disabled = _r.checkAndReact(_disabled, value);
   set content(Iterable<Element> value) {
     _content = value.toList();
     _r.dirty();
   }
 
-  factory CurlyBlockElement({bool expanded: false, bool disabled: false,
-      RenderingQueue queue}) {
+  factory CurlyBlockElement(
+      {bool expanded: false, bool disabled: false, RenderingQueue queue}) {
     assert(expanded != null);
     assert(disabled != null);
     CurlyBlockElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._expanded = expanded;
     e._disabled = disabled;
     e._r.enable();
     return e;
   }
 
   CurlyBlockElement.created() : super.created();
 
   @override
-  void attached() { super.attached(); _r.enable(); }
+  void attached() {
+    super.attached();
+    _r.enable();
+  }
 
   @override
   void detached() {
-    super.detached(); _r.disable(notify: true);
+    super.detached();
+    _r.disable(notify: true);
     children = [];
   }
 
   void toggle() {
     if (disabled) {
       _r.scheduleNotification();
       return;
     }
     expanded = !expanded;
   }
 
   void render() {
-    List<Element> content = [
-      new SpanElement()..text = '{'
-    ];
+    List<Element> content = [new SpanElement()..text = '{'];
     SpanElement label = new SpanElement()
       ..classes = disabled ? ['curly-block', 'disabled'] : ['curly-block']
-      ..innerHtml = expanded ?
-        '&nbsp;&nbsp;&#8863;&nbsp;&nbsp;' : '&nbsp;&nbsp;&#8862;&nbsp;&nbsp;';
+      ..innerHtml = expanded
+          ? '&nbsp;&nbsp;&#8863;&nbsp;&nbsp;'
+          : '&nbsp;&nbsp;&#8862;&nbsp;&nbsp;';
     if (disabled) {
       content.add(label);
     } else {
       content.add(new AnchorElement()
-        ..onClick.listen((_) { toggle(); })
+        ..onClick.listen((_) {
+          toggle();
+        })
         ..children = [label]);
     }
     if (expanded) {
       content.add(new BRElement());
       content.addAll(_content);
     }
     content.add(new SpanElement()..text = '}');
     children = content;
   }
 }