fix lint

Author: alextekartik

example/sample.local.config.yaml

@@ -1,4 +1,5 @@
 # Copy this file as "local.config.yaml" in the same folder (.gitignored)
+# Enable Google Picker API and test port
 
 # The developer key needed for the picker API
 # Credentials/API Keys

lib/picker.dart

@@ -275,7 +275,7 @@ class PickerResponse {
 }
 
 class PickerFeature {
-  final _jsObject;
+  final JsObject _jsObject;
 
   PickerFeature(this._jsObject);
 
@@ -377,7 +377,8 @@ GooglePicker _picker;
 Future<GooglePicker> loadPicker(Gapi gapi) {
   if (_picker == null) {
     return gapi.load('picker').then((_) {
-      _picker = GooglePicker(context['google']['picker'] as JsObject);
+      _picker =
+          GooglePicker((context['google'] as JsObject)['picker'] as JsObject);
       return _picker;
     });
   }

tool/web_dev_serve.dart

@@ -8,7 +8,7 @@ Future main() async {
   print('http://localhost:8081/google_jsapi_picker_example.html');
   await shell.run('''
   
-  pub global run webdev serve example:8081 --live-reload --hostname 0.0.0.0
+  dart pub global run webdev serve example:8081 --auto=refresh --hostname 0.0.0.0
   
   ''');
 }