SELECT popup: Touch input should not be able to select disabled OPTIONs.

third_party/WebKit/Source/web/resources/listPicker.js

 "use strict";
 // Copyright (c) 2014 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 global = {
     argumentsReceived: false,
     params: null,
     picker: null
 };
@@ skipping 151 matching lines @@
     this._selectionSetByMouseHover = false;
 };
 
 ListPicker.prototype._handleWindowTouchEnd = function(event) {
     if (this._trackingTouchId === null)
         return;
     var touch = this._getTouchForId(event.changedTouches, this._trackingTouchId);
     if (!touch)
         return;
     var target = document.elementFromPoint(touch.clientX, touch.clientY)
-    if (target.tagName === "OPTION")
+    if (target.tagName === "OPTION" && !target.disabled)
         window.pagePopupController.setValueAndClosePopup(0, this._selectElement.value);
     this._exitTouchSelectMode();
 };
 
 ListPicker.prototype._getTouchForId = function (touchList, id) {
     for (var i = 0; i < touchList.length; i++) {
         if (touchList[i].identifier === id)
             return touchList[i];
     }
     return null;
 };
 
 ListPicker.prototype._highlightOption = function(target) {
-    if (target.tagName !== "OPTION" || target.selected)
+    if (target.tagName !== "OPTION" || target.selected || target.disabled)
         return;
     var savedScrollTop = this._selectElement.scrollTop;
     // TODO(tkent): Updating HTMLOptionElement::selected is not efficient. We
     // should optimize it, or use an alternative way.
     target.selected = true;
     this._selectElement.scrollTop = savedScrollTop;
 };
 
 ListPicker.prototype._handleChange = function(event) {
     window.pagePopupController.setValue(this._selectElement.value);
@@ skipping 252 matching lines @@
     }
     this._applyItemStyle(element, config.style);
 };
 
 if (window.dialogArguments) {
     initialize(dialogArguments);
 } else {
     window.addEventListener("message", handleMessage, false);
     window.setTimeout(handleArgumentsTimeout, 1000);
 }