Added chrome://translate-internals

chrome/browser/resources/translate_internals/translate_internals.js

+// Copyright 2013 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.
+
+(function() {
+  'use strict';
+
+  cr.define('cr.translateInternals', function() {
+
+    /**
+     * Initializes UI and sends a message to the browser for
+     * initialization.
+     */
+    function initialize() {
+      cr.ui.decorate('tabbox', cr.ui.TabBox);
+      chrome.send('requestInfo');
+    }
+
+    /**
+     * Handles the message of 'prefsUpdated' from the browser.
+     * @param {Object} detail The object which represents pref values.
+     */
+    function onPrefsUpdated(detail) {
+      var p = $('tabpanel-prefs').querySelector('p');
+      var content = JSON.stringify(detail, null, 2);
+      p.textContent = content;
+    }
+
+    /**
+     * The callback entry point from the browser. This function will be
+     * called by the browser.
+     * @param {string} message The name of the sent message
+     * @param {Object} detail The argument of the sent message
+     */
+    function messageHandler(message, detail) {
+      switch (message) {
+        case 'prefsUpdated':
+          cr.translateInternals.onPrefsUpdated(detail);
+          break;
+        default:
+          console.error('Unknown message:', message);
+          break;
+      }
+    }
+
+    return {
+      initialize: initialize,
+      messageHandler: messageHandler,
+      onPrefsUpdated: onPrefsUpdated
+    };
+  });
+
+  /**
+   * The entry point of the UI.
+   */
+  function main() {
+    cr.doc.addEventListener('DOMContentLoaded',
+                            cr.translateInternals.initialize);
+  }
+
+  main();
+})();