Initial commit of generated dart:chrome app_window and app_runtime

tools/dom/src/chrome/custom_dart/app_window.create.dart

Index: tools/dom/src/chrome/custom_dart/app_window.create.dart
diff --git a/tools/dom/src/chrome/custom_dart/app_window.create.dart b/tools/dom/src/chrome/custom_dart/app_window.create.dart
new file mode 100644
index 0000000000000000000000000000000000000000..41a4670209638c440cd5f339c1f80d69fecd61df
--- /dev/null
+++ b/tools/dom/src/chrome/custom_dart/app_window.create.dart
@@ -0,0 +1,16 @@
+// 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.
+
+// TODO(sashab): This override is no longer needed once prefixes are removed.
+void create(String url,
+            [AppWindowCreateWindowOptions options,
+            void callback(AppWindowAppWindow created_window)]) {
+  void __proxy_callback(created_window) {
+    if (?callback)
+      callback(new AppWindowAppWindow._proxy(created_window));
+  }
+  JS('void', '#.create(#, #, #)', this._jsObject, url, convertArgument(options),
+     convertDartClosureToJS(__proxy_callback, 1));
+}
+