[MD settings] unit test for incognito activation

chrome/test/data/webui/settings/test_site_settings_prefs_browser_proxy.js

 // Copyright 2016 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.
 
 /**
  * An example empty pref.
  * @type {SiteSettingsPref}
  */
 var prefsEmpty = {
   defaults: {
@@ skipping 49 matching lines @@
     'removeCookie',
     'removeProtocolHandler',
     'removeUsbDevice',
     'removeZoomLevel',
     'resetCategoryPermissionForOrigin',
     'setCategoryPermissionForOrigin',
     'setDefaultValueForContentType',
     'setProtocolDefault'
   ]);
 
+  /** @private {boolean} */
+  this.hasIncognito = false;

[Dan Beam, 2017/03/30 04:50:43]

hasIncognito_

[dschuyler, 2017/03/30 21:06:16]

See https://codereview.chromium.org/2787923002/

+
   /** @private {!SiteSettingsPref} */
   this.prefs_ = prefsEmpty;
 
   /** @private {!Array<ZoomLevelEntry>} */
   this.zoomList_ = [];
 
   /** @private {!Array<!UsbDeviceEntry>} */
   this.usbDevices_ = [];
 
   /** @private {!Array<!ProtocolEntry>} */
   this.protocolHandlers_ = [];
 
   /** @private {?CookieList} */
   this.cookieDetails_ = null;
 
   /** @private {boolean} */
   this.isPatternValid_ = true;
 };
 
 TestSiteSettingsPrefsBrowserProxy.prototype = {
   __proto__: settings.TestBrowserProxy.prototype,
 
   /**
+   * Pretends an incognito session started or ended.
+   * @param {boolean} hasIncognito True for session started.
+   */
+  setIncognito: function(hasIncognito) {
+    this.hasIncognito = hasIncognito;
+    cr.webUIListenerCallback('onIncognitoStatusChanged', hasIncognito);
+  },
+
+  /**
    * Sets the prefs to use when testing.
    * @param {!SiteSettingsPref} prefs The prefs to set.
    */
   setPrefs: function(prefs) {
     this.prefs_ = prefs;
 
     // Notify all listeners that their data may be out of date.
     for (var type in settings.ContentSettingsTypes) {
       cr.webUIListenerCallback(
           'contentSettingSitePermissionChanged',
@@ skipping 121 matching lines @@
     else if (contentType == settings.ContentSettingsTypes.PROTECTED_CONTENT)
       pref = this.prefs_.exceptions.protectedContent;
     else if (contentType == settings.ContentSettingsTypes.POPUPS)
       pref = this.prefs_.exceptions.popups;
     else if (contentType == settings.ContentSettingsTypes.UNSANDBOXED_PLUGINS)
       pref = this.prefs_.exceptions.unsandboxed_plugins;
     else
       console.log('getExceptionList received unknown category: ' + contentType);
 
     assert(pref != undefined, 'Pref is missing for ' + contentType);
+
+    if (this.hasIncognito) {
+      var incognitoElements = [];
+      for (var i = 0; i < pref.length; ++i)
+        incognitoElements.push(Object.assign({incognito: true}, pref[i]));
+      pref = pref.concat(incognitoElements);
+    }
+
     return Promise.resolve(pref);
   },
 
   /** @override */
   isPatternValid: function(pattern) {
     this.methodCalled('isPatternValid', pattern);
     return Promise.resolve(this.isPatternValid_);
   },
 
   /**
@@ skipping 67 matching lines @@
   /** @override */
   setProtocolDefault: function() {
     this.methodCalled('setProtocolDefault', arguments);
   },
 
   /** @override */
   removeProtocolHandler: function() {
     this.methodCalled('removeProtocolHandler', arguments);
   }
 };