chrome/browser/resources/app_management/app.html

<link rel="import" href="chrome://resources/html/polymer.html">
<link rel="import" href="chrome://apps/browser_proxy.html">

<dom-module id="app-management-app">
  <template>
    App Settings
  </template>
  <script src="chrome://apps/app.js"></script>
</dom-module>