Added "Use an autoconfiguration URL" checkbox in proxy tab

chrome/browser/resources/options/chromeos/internet_detail.js

 // Copyright (c) 2012 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.
 
 cr.define('options.internet', function() {
   var OptionsPage = options.OptionsPage;
   /** @const */ var ArrayDataModel = cr.ui.ArrayDataModel;
   /** @const */ var IPAddressField = options.internet.IPAddressField;
 
   /**
@@ skipping 243 matching lines @@
       // Proxy
       options.proxyexceptions.ProxyExceptions.decorate($('ignored-host-list'));
       $('remove-host').addEventListener('click',
                                         this.handleRemoveProxyExceptions_);
       $('add-host').addEventListener('click', this.handleAddProxyException_);
       $('direct-proxy').addEventListener('click', this.disableManualProxy_);
       $('manual-proxy').addEventListener('click', this.enableManualProxy_);
       $('auto-proxy').addEventListener('click', this.disableManualProxy_);
       $('proxy-all-protocols').addEventListener('click',
                                                 this.toggleSingleProxy_);
+      $('proxy-config-url').addEventListener('click',
+                                             this.toggleAutoConfigProxy_);
 
       observePrefsUI($('direct-proxy'));
       observePrefsUI($('manual-proxy'));
       observePrefsUI($('auto-proxy'));
       observePrefsUI($('proxy-all-protocols'));
+      observePrefsUI($('proxy-config-url'));
 
       $('ip-automatic-configuration-checkbox').addEventListener('click',
         this.handleIpAutoConfig_);
       $('automatic-dns-radio').addEventListener('click',
         this.handleNameServerTypeChange_);
       $('google-dns-radio').addEventListener('click',
         this.handleNameServerTypeChange_);
       $('user-dns-radio').addEventListener('click',
         this.handleNameServerTypeChange_);
 
@@ skipping 144 matching lines @@
       if ($('proxy-all-protocols').checked) {
         $('multi-proxy').hidden = true;
         $('single-proxy').hidden = false;
       } else {
         $('multi-proxy').hidden = false;
         $('single-proxy').hidden = true;
       }
     },
 
     /**
+     * Handler for when the user clicks on the checkbox to enter
+     * auto configuration URL.
+     * @private
+     * @param {Event} e Click Event.
+     */
+    toggleAutoConfigProxy_: function(e) {
+      if ($('proxy-config-url').checked) {
+        $('proxy-config').disabled = false;
+      } else {
+        $('proxy-config').disabled = true;
+        $('proxy-config').textContent = '';

[Dan Beam, 2013/04/04 00:53:59]

^ hmmm, why do you want to clear the text content?

+      }
+    },
+
+    /**
      * Handler for selecting a radio button that will disable the manual
      * controls.
      * @private
      * @param {Event} e Click event.
      */
     disableManualProxy_: function(e) {
       $('advanced-config').hidden = true;
       $('proxy-all-protocols').disabled = true;
       $('proxy-host-name').disabled = true;
       $('proxy-host-port').disabled = true;
       $('proxy-host-single-name').disabled = true;
       $('proxy-host-single-port').disabled = true;
       $('secure-proxy-host-name').disabled = true;
       $('secure-proxy-port').disabled = true;
       $('ftp-proxy').disabled = true;
       $('ftp-proxy-port').disabled = true;
       $('socks-host').disabled = true;
       $('socks-port').disabled = true;
-      $('proxy-config').disabled = $('auto-proxy').disabled ||
+      $('proxy-config').disabled = $('proxy-config-url').disabled ||
+                                   !$('proxy-config-url').checked;
+      $('proxy-config-url').disabled = $('auto-proxy').disabled ||
                                    !$('auto-proxy').checked;

[Dan Beam, 2013/04/04 00:53:59]

nit: line this up like this:

  $('proxy-config-url').disabled = $('auto-proxy').disabled ||
                                   !$('auto-proxy').checked;

     },
 
     /**
      * Handler for selecting a radio button that will enable the manual
      * controls.
      * @private
      * @param {Event} e Click event.
      */
     enableManualProxy_: function(e) {
       $('advanced-config').hidden = false;
       $('ignored-host-list').redraw();
       var allDisabled = $('manual-proxy').disabled;
       $('new-host').disabled = allDisabled;
       $('remove-host').disabled = allDisabled;
       $('add-host').disabled = allDisabled;
       $('proxy-all-protocols').disabled = allDisabled;
       $('proxy-host-name').disabled = allDisabled;
       $('proxy-host-port').disabled = allDisabled;
       $('proxy-host-single-name').disabled = allDisabled;
       $('proxy-host-single-port').disabled = allDisabled;
       $('secure-proxy-host-name').disabled = allDisabled;
       $('secure-proxy-port').disabled = allDisabled;
       $('ftp-proxy').disabled = allDisabled;
       $('ftp-proxy-port').disabled = allDisabled;
       $('socks-host').disabled = allDisabled;
       $('socks-port').disabled = allDisabled;
       $('proxy-config').disabled = true;
+      $('proxy-config-url').disabled = true;
     },
   };
 
   /**
    * Enables or Disables all buttons that provide operations on the cellular
    * network.
    */
   DetailsInternetPage.changeCellularButtonsState = function(disable) {
     var buttonsToDisableList =
         new Array('details-internet-login',
@@ skipping 633 matching lines @@
 
     // Don't show page name in address bar and in history to prevent people
     // navigate here by hand and solve issue with page session restore.
     OptionsPage.showPageByName('detailsInternetPage', false);
   };
 
   return {
     DetailsInternetPage: DetailsInternetPage
   };
 });