Initial work on Dart bindings for Mojo.

mojo/public/dart/system/lib/embedder.dart

Index: mojo/public/dart/system/lib/embedder.dart
diff --git a/mojo/public/dart/system/lib/embedder.dart b/mojo/public/dart/system/lib/embedder.dart
new file mode 100644
index 0000000000000000000000000000000000000000..8c376a242f894628f0ea5e3bd33c0a0e6be06e00
--- /dev/null
+++ b/mojo/public/dart/system/lib/embedder.dart
@@ -0,0 +1,19 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+library embedder;
+
+import 'dart:async';
+
+import 'core.dart' as core;
+import 'dart-ext:src/mojo_dart_embedder';
+
+void _init() native "MojoEmbedder_Init";
+void _mojoMakeSystemThunks(fn) native "MojoSystemThunks_Make";
+
+Future<bool> mojoEmbedderInit() {
+  _init();
+  _mojoMakeSystemThunks(core.setSystemThunks);
+  return core.MojoHandleWatcher.Start();
+}