Format samples and samples-dev directories.

samples-dev/swarm/HelpDialog.dart

Index: samples-dev/swarm/HelpDialog.dart
diff --git a/samples-dev/swarm/HelpDialog.dart b/samples-dev/swarm/HelpDialog.dart
index 96ba53514cecdf10f854a24b8929cea2efcb12aa..d5024c5f9de1ef745f3339186de73dde8bd769a6 100644
--- a/samples-dev/swarm/HelpDialog.dart
+++ b/samples-dev/swarm/HelpDialog.dart
@@ -15,13 +15,14 @@ class HelpDialog extends DialogView {
   Function _doneHandler;
 
   HelpDialog(this._parent, this._doneHandler)
-    : super('Information', '', makeContent());
+      : super('Information', '', makeContent());
 
-  void onDone() { _doneHandler(); }
+  void onDone() {
+    _doneHandler();
+  }
 
   static View makeContent() {
-    return new View.html(
-        '''
+    return new View.html('''
         <div>
 
           <p>