Upgrade to polymer_expressions 0.11.1

runtime/bin/vmservice/client/lib/src/elements/script_view.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 script_view_element;
 
 import 'observatory_element.dart';
 import 'package:observatory/elements.dart';
 import 'package:observatory/service.dart';
 import 'package:polymer/polymer.dart';
@@ skipping 17 matching lines @@
   showCoverageChanged(oldValue) {
     ScriptInsetElement sie = shadowRoot.querySelector('#scriptInset');
     sie.coverage = showCoverage;
   }
 
   void refresh(var done) {
     script.reload().whenComplete(done);
   }
 
   void refreshCoverage(var done) {
-    script.isolate.refreshCoverage().whenComplete(done);
+    script.isolate.refreshCoverage().then((_) {
+      ScriptInsetElement sie = shadowRoot.querySelector('#scriptInset');
+      showCoverage = true;
+      sie.coverage = showCoverage;
+    }).whenComplete(done);
   }
 }