Use dartfmt on Observatory code

runtime/observatory/lib/src/elements/logging_list.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.
 
 import 'dart:async';
 import 'dart:html';
 import 'package:logging/logging.dart';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
@@ skipping 10 matching lines @@
   M.EventRepository _events;
   StreamSubscription _subscription;
   Level _level = Level.ALL;
   final _logs = <Map>[];
 
   M.IsolateRef get isolate => _isolate;
   Level get level => _level;
 
   set level(Level value) => _level = _r.checkAndReact(_level, value);
 
-  factory LoggingListElement(M.IsolateRef isolate,
-                             M.EventRepository events,
-                             {RenderingQueue queue}) {
+  factory LoggingListElement(M.IsolateRef isolate, M.EventRepository events,
+      {RenderingQueue queue}) {
     assert(isolate != null);
     assert(events != null);
     LoggingListElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._isolate = isolate;
     e._events = events;
     return e;
   }
 
   LoggingListElement.created() : super.created();
@@ skipping 14 matching lines @@
 
   @override
   detached() {
     super.detached();
     _r.disable(notify: true);
     children = [];
     _subscription.cancel();
   }
 
   void render() {
-    children = _logs.where(_shouldBeVisible).map((logRecord) =>
-      new DivElement()..classes = ['logItem', logRecord['level'].name]
-        ..children = [
-          new SpanElement()..classes = ['level']
-            ..text = logRecord['level'].name,
-          new SpanElement()..classes = ['time']
-            ..text = Utils.formatDateTime(logRecord['time']),
-          new SpanElement()..classes = ['message']
-            ..text = logRecord["message"].valueAsString
-        ]
-    ).toList();
+    children = _logs
+        .where(_shouldBeVisible)
+        .map((logRecord) => new DivElement()
+          ..classes = ['logItem', logRecord['level'].name]
+          ..children = [
+            new SpanElement()
+              ..classes = ['level']
+              ..text = logRecord['level'].name,
+            new SpanElement()
+              ..classes = ['time']
+              ..text = Utils.formatDateTime(logRecord['time']),
+            new SpanElement()
+              ..classes = ['message']
+              ..text = logRecord["message"].valueAsString
+          ])
+        .toList();
   }
 
   bool _shouldBeVisible(Map record) => _level.compareTo(record['level']) <= 0;
 }