Save slider preferences when using touch.

chrome/browser/ui/webui/options/options_browsertest.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.
 
 GEN('#include "chrome/browser/ui/webui/options/options_browsertest.h"');
 
 /** @const */ var MANAGED_USERS_PREF = 'profile.managed_users';
 
 /**
  * Wait for the method specified by |methodName|, on the |object| object, to be
@@ skipping 293 matching lines @@
     assertFalse(overlay.classList.contains('transparent'));
     expectEquals(numFrozenPages, frozenPages.length);
     testDone();
   });
 
   OptionsPage.navigateToPage(overlayName);
   var numFrozenPages = frozenPages.length;
   expectGT(numFrozenPages, 0);
 });
 
+GEN('#if defined(OS_CHROMEOS)');
+// Verify that range inputs respond to touch events. Currently only Chrome OS
+// uses slider options.
+TEST_F('OptionsWebUITest', 'RangeInputHandlesTouchEvents', function() {
+  this.mockHandler.expects(once()).setIntegerPref([
+    'settings.touchpad.sensitivity2', 1]);
+
+  var touchpadRange = $('touchpad-sensitivity-range');
+  var event = document.createEvent('UIEvent');
+  event.initUIEvent('touchstart', true, true, window);
+  touchpadRange.dispatchEvent(event);
+
+  event = document.createEvent('UIEvent');
+  event.initUIEvent('touchmove', true, true, window);
+  touchpadRange.dispatchEvent(event);
+
+  touchpadRange.value = 1;
+
+  event = document.createEvent('UIEvent');
+  event.initUIEvent('touchend', true, true, window);
+  touchpadRange.dispatchEvent(event);
+
+  // touchcancel should also trigger the handler, since it
+  // changes the slider position.
+  this.mockHandler.expects(once()).setIntegerPref([
+    'settings.touchpad.sensitivity2', 2]);
+
+  event = document.createEvent('UIEvent');
+  event.initUIEvent('touchstart', true, true, window);
+  touchpadRange.dispatchEvent(event);
+
+  touchpadRange.value = 2;
+
+  event = document.createEvent('UIEvent');
+  event.initUIEvent('touchcancel', true, true, window);
+  touchpadRange.dispatchEvent(event);
+
+  testDone();
+});
+GEN('#endif');  // defined(OS_CHROMEOS)
+
 /**
  * TestFixture for OptionsPage WebUI testing including tab history and support
  * for preference manipulation. If you don't need the features in the C++
  * fixture, use the simpler OptionsWebUITest (above) instead.
  * @extends {testing.Test}
  * @constructor
  */
 function OptionsWebUIExtendedTest() {}
 
 OptionsWebUIExtendedTest.prototype = {
@@ skipping 468 matching lines @@
   __proto__: OptionsWebUIExtendedTest.prototype,
 
   /** @override */
   browsePreload: 'chrome://settings-frame/nonexistantPage',
 };
 
 TEST_F('OptionsWebUIRedirectTest', 'TestURL', function() {
   assertEquals('chrome://settings-frame/', document.location.href);
   this.verifyHistory_([''], testDone);
 });