Mock up code completion.

dart/site/try/src/leap.dart

Index: dart/site/try/src/leap.dart
diff --git a/dart/site/try/src/leap.dart b/dart/site/try/src/leap.dart
index 3b6c08f29d37e42fd1e56d0d093c6ac12cdbe94f..f9ef7c4c76f3be6836cfd9b3ba766040a2c28137 100644
--- a/dart/site/try/src/leap.dart
+++ b/dart/site/try/src/leap.dart
@@ -7,7 +7,7 @@ library trydart.main;
 import 'dart:html' show
     HttpRequest,
     LinkElement,
-    query,
+    querySelector,
     window;
 
 import 'dart:isolate' show
@@ -18,9 +18,6 @@ import 'compilation.dart' show
     compilerIsolate,
     compilerPort;
 
-import 'editor.dart' show
-    onMutation;
-
 import 'isolate_legacy.dart' show
     spawnDomFunction,
     spawnFunction;
@@ -30,8 +27,12 @@ import 'samples.dart' show
 
 import 'ui.dart' show
     buildUI,
+    interaction,
     observer;
 
+import 'user_option.dart' show
+    UserOption;
+
 int count = 0;
 
 const String HAS_NON_DOM_HTTP_REQUEST = 'spawnFunction supports HttpRequest';
@@ -48,6 +49,7 @@ checkHttpRequest(SendPort replyTo) {
 }
 
 main() {
+  UserOption.storage = window.localStorage;
   if (window.localStorage['currentSource'] == null) {
     window.localStorage['currentSource'] = EXAMPLE_HELLO;
   }
@@ -60,7 +62,7 @@ main() {
     } else {
       port = spawnDomFunction(compilerIsolate);
     }
-    LinkElement link = query('link[rel="dart-sdk"]');
+    LinkElement link = querySelector('link[rel="dart-sdk"]');
     String sdk = link.href;
     print('Using Dart SDK: $sdk');
     int messageCount = 0;
@@ -75,7 +77,7 @@ main() {
         case 2:
           // Acknowledged Receiving the SDK URI.
           compilerPort = sendPort;
-          onMutation([], observer);
+          interaction.onMutation([], observer);
           break;
         default:
           // TODO(ahe): Close [port]?