DOMUI: Make the password input field readonly.

chrome/browser/resources/options/password_manager_list.js

 // Copyright (c) 2010 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.passwordManager', function() {
   const ArrayDataModel = cr.ui.ArrayDataModel;
   const DeletableItemList = options.DeletableItemList;
   const DeletableItem = options.DeletableItem;
   const List = cr.ui.List;
 
@@ skipping 33 matching lines @@
       usernameLabel.textContent = this.username;
       this.contentElement.appendChild(usernameLabel);
 
       // The stored password.
       var passwordInputDiv = this.ownerDocument.createElement('div');
       passwordInputDiv.className = 'password';
 
       // The password input field.
       var passwordInput = this.ownerDocument.createElement('input');
       passwordInput.className = 'inactive-password';
+      passwordInput.readOnly = true;
       passwordInput.type = 'password';
       passwordInput.value = this.password;
       passwordInputDiv.appendChild(passwordInput);
 
       // The show/hide button.
       var buttonSpan = this.ownerDocument.createElement('span');
       buttonSpan.className = 'hidden';
       buttonSpan.addEventListener('click', this.onClick_, true);
       passwordInputDiv.appendChild(buttonSpan);
 
       this.contentElement.appendChild(passwordInputDiv);
     },
 
     /** @inheritDoc */
     selectionChanged: function() {
       var passwordInput = this.querySelector('input[type=password]');
-      var buttonSpan = passwordInput.nextSibling;
+      var textInput = this.querySelector('input[type=text]');
+      var input = passwordInput != undefined ? passwordInput : textInput;

[stuartmorgan, 2011/01/20 01:52:48]

I believe in JS you can just do:
var input = passwordInput || textInput

[James Hawkins, 2011/01/20 01:54:55]

Done.

+      var buttonSpan = input.nextSibling;
       if (this.selected) {
-        passwordInput.classList.remove('inactive-password');
+        input.classList.remove('inactive-password');
         buttonSpan.classList.remove('hidden');
       } else {
-        passwordInput.classList.add('inactive-password');
+        input.classList.add('inactive-password');
         buttonSpan.classList.add('hidden');
       }
     },
 
     /**
      * On-click event handler. Swaps the type of the input field from password
      * to text and back.
      * @private
      */
     onClick_: function(event) {
@@ skipping 139 matching lines @@
     },
   };
 
   return {
     PasswordListItem: PasswordListItem,
     PasswordExceptionsListItem: PasswordExceptionsListItem,
     PasswordsList: PasswordsList,
     PasswordExceptionsList: PasswordExceptionsList,
   };
 });