ChromeOS: Implement minumal material design OOBE.

chrome/browser/resources/chromeos/login/oobe_welcome.js

Index: chrome/browser/resources/chromeos/login/oobe_welcome.js
diff --git a/chrome/browser/resources/chromeos/login/oobe_welcome.js b/chrome/browser/resources/chromeos/login/oobe_welcome.js
new file mode 100644
index 0000000000000000000000000000000000000000..3500dcd1162526f732e1797be8180a0eef5b67da
--- /dev/null
+++ b/chrome/browser/resources/chromeos/login/oobe_welcome.js
@@ -0,0 +1,31 @@
+// Copyright 2016 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.
+
+Polymer({
+  is: 'oobe-welcome-md',
+
+  properties: {
+    disabled: {
+      type: Boolean,
+      value: false,
+    },
+    currentLanguage: {
+      type: String,
+      value: 'English (US)',
+    },
+  },
+
+  focus: function() {
+    this.$.welcomeNextButton.focus();
+  },
+
+  onAnimationFinish_: function() {
+    this.focus();
+  },
+
+  onWelcomeNextButtonClicked_: function() {
+    $('oobe-connect').hidden = false;
+    $('oobe-welcome-md').hidden = true;
+  }
+});