Spelling fixes e to i.

runtime/observatory/lib/src/service/object.dart

 // Copyright (c) 2014, 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.
 
 part of service;
 
 // Some value smaller than the object ring, so requesting a large array
 // doesn't result in an expired ref because the elements lapped it in the
 // object ring.
 const int kDefaultFieldLimit = 100;
@@ skipping 4438 matching lines @@
 
   bool get immutable => false;
 
   Future<Map> _fetchDirect({int count: kDefaultFieldLimit}) {
     assert(owner is Isolate);
     return isolate.invokeRpcNoUpgrade('_getIsolateMetric', {'metricId': id});
   }
 
   String description;
   double value = 0.0;
-  // Only a guage has a non-null min and max.
+  // Only a gauge has a non-null min and max.
   double min;
   double max;
 
   bool get isGauge => (min != null) && (max != null);
 
   void _update(Map map, bool mapIsRef) {
     name = map['name'];
     description = map['description'];
     vmName = map['name'];
     value = map['value'];
@@ skipping 178 matching lines @@
     var v = list[i];
     if ((v is Map) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is List) {
       _upgradeList(v, owner);
     } else if (v is Map) {
       _upgradeMap(v, owner);
     }
   }
 }