Scaffold for MD-Settings, inside chrome://md-settings.

chrome/browser/resources/settings/utils/platform_info.js

Index: chrome/browser/resources/settings/utils/platform_info.js
diff --git a/chrome/browser/resources/settings/utils/platform_info.js b/chrome/browser/resources/settings/utils/platform_info.js
new file mode 100644
index 0000000000000000000000000000000000000000..28d950d564cfc31a9608a6a741db315d6f5f4355
--- /dev/null
+++ b/chrome/browser/resources/settings/utils/platform_info.js
@@ -0,0 +1,13 @@
+// Copyright 2015 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.
+
+var PlatformInfo = {
+  /** @return {boolean} True if this is on Chrome OS. */
+  isChromeOs: function() {
+    // Temporary hack to show Chrome OS settings for testing and
+    // development.
+    return /CrOS/.test(navigator.userAgent) ||
+           /cros/i.test(window.location.href);
+  },
+};