Apply content-security-policy to the HTML options page. This is a

chrome/browser/resources/options/cookies_list.js

Index: chrome/browser/resources/options/cookies_list.js
===================================================================
--- chrome/browser/resources/options/cookies_list.js	(revision 84868)
+++ chrome/browser/resources/options/cookies_list.js	(working copy)
@@ -1,818 +0,0 @@
-// Copyright (c) 2011 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', function() {
-  const DeletableItemList = options.DeletableItemList;
-  const DeletableItem = options.DeletableItem;
-  const ArrayDataModel = cr.ui.ArrayDataModel;
-  const ListSingleSelectionModel = cr.ui.ListSingleSelectionModel;
-
-  // This structure maps the various cookie type names from C++ (hence the
-  // underscores) to arrays of the different types of data each has, along with
-  // the i18n name for the description of that data type.
-  const cookieInfo = {
-    'cookie': [ ['name', 'label_cookie_name'],
-                ['content', 'label_cookie_content'],
-                ['domain', 'label_cookie_domain'],
-                ['path', 'label_cookie_path'],
-                ['sendfor', 'label_cookie_send_for'],
-                ['accessibleToScript', 'label_cookie_accessible_to_script'],
-                ['created', 'label_cookie_created'],
-                ['expires', 'label_cookie_expires'] ],
-    'app_cache': [ ['manifest', 'label_app_cache_manifest'],
-                   ['size', 'label_local_storage_size'],
-                   ['created', 'label_cookie_created'],
-                   ['accessed', 'label_cookie_last_accessed'] ],
-    'database': [ ['name', 'label_cookie_name'],
-                  ['desc', 'label_webdb_desc'],
-                  ['webdbSize', 'label_local_storage_size'],
-                  ['modified', 'label_local_storage_last_modified'] ],
-    'local_storage': [ ['origin', 'label_local_storage_origin'],
-                       ['size', 'label_local_storage_size'],
-                       ['modified', 'label_local_storage_last_modified'] ],
-    'indexed_db': [ ['origin', 'label_indexed_db_origin'],
-                    ['size', 'label_indexed_db_size'],
-                    ['modified', 'label_indexed_db_last_modified'] ],
-  };
-
-  const localStrings = new LocalStrings();
-
-  /**
-   * Returns the item's height, like offsetHeight but such that it works better
-   * when the page is zoomed. See the similar calculation in @{code cr.ui.List}.
-   * This version also accounts for the animation done in this file.
-   * @param {Element} item The item to get the height of.
-   * @return {number} The height of the item, calculated with zooming in mind.
-   */
-  function getItemHeight(item) {
-    var height = item.style.height;
-    // Use the fixed animation target height if set, in case the element is
-    // currently being animated and we'd get an intermediate height below.
-    if (height && height.substr(-2) == 'px')
-      return parseInt(height.substr(0, height.length - 2));
-    return item.getBoundingClientRect().height;
-  }
-
-  var parentLookup = {};
-  var lookupRequests = {};
-
-  /**
-   * Creates a new list item for sites data. Note that these are created and
-   * destroyed lazily as they scroll into and out of view, so they must be
-   * stateless. We cache the expanded item in @{code CookiesList} though, so it
-   * can keep state. (Mostly just which item is selected.)
-   * @param {Object} origin Data used to create a cookie list item.
-   * @param {CookiesList} list The list that will contain this item.
-   * @constructor
-   * @extends {DeletableItem}
-   */
-  function CookieListItem(origin, list) {
-    var listItem = new DeletableItem(null);
-    listItem.__proto__ = CookieListItem.prototype;
-
-    listItem.origin = origin;
-    listItem.list = list;
-    listItem.decorate();
-
-    // This hooks up updateOrigin() to the list item, makes the top-level
-    // tree nodes (i.e., origins) register their IDs in parentLookup, and
-    // causes them to request their children if they have none. Note that we
-    // have special logic in the setter for the parent property to make sure
-    // that we can still garbage collect list items when they scroll out of
-    // view, even though it appears that we keep a direct reference.
-    if (origin) {
-      origin.parent = listItem;
-      origin.updateOrigin();
-    }
-
-    return listItem;
-  }
-
-  CookieListItem.prototype = {
-    __proto__: DeletableItem.prototype,
-
-    /** @inheritDoc */
-    decorate: function() {
-      this.siteChild = this.ownerDocument.createElement('div');
-      this.siteChild.className = 'cookie-site';
-      this.dataChild = this.ownerDocument.createElement('div');
-      this.dataChild.className = 'cookie-data';
-      this.itemsChild = this.ownerDocument.createElement('div');
-      this.itemsChild.className = 'cookie-items';
-      this.infoChild = this.ownerDocument.createElement('div');
-      this.infoChild.className = 'cookie-details hidden';
-      var remove = this.ownerDocument.createElement('button');
-      remove.textContent = localStrings.getString('remove_cookie');
-      remove.onclick = this.removeCookie_.bind(this);
-      this.infoChild.appendChild(remove);
-      var content = this.contentElement;
-      content.appendChild(this.siteChild);
-      content.appendChild(this.dataChild);
-      content.appendChild(this.itemsChild);
-      this.itemsChild.appendChild(this.infoChild);
-      if (this.origin && this.origin.data) {
-        this.siteChild.textContent = this.origin.data.title;
-        this.siteChild.setAttribute('title', this.origin.data.title);
-      }
-      this.itemList_ = [];
-    },
-
-    /** @type {boolean} */
-    get expanded() {
-      return this.expanded_;
-    },
-    set expanded(expanded) {
-      if (this.expanded_ == expanded)
-        return;
-      this.expanded_ = expanded;
-      if (expanded) {
-        var oldExpanded = this.list.expandedItem;
-        this.list.expandedItem = this;
-        this.updateItems_();
-        if (oldExpanded)
-          oldExpanded.expanded = false;
-        this.classList.add('show-items');
-      } else {
-        if (this.list.expandedItem == this) {
-          this.list.leadItemHeight = 0;
-          this.list.expandedItem = null;
-        }
-        this.style.height = '';
-        this.itemsChild.style.height = '';
-        this.classList.remove('show-items');
-      }
-    },
-
-    /**
-     * The callback for the "remove" button shown when an item is selected.
-     * Requests that the currently selected cookie be removed.
-     * @private
-     */
-    removeCookie_: function() {
-      if (this.selectedIndex_ >= 0) {
-        var item = this.itemList_[this.selectedIndex_];
-        if (item && item.node)
-          chrome.send('removeCookie', [item.node.pathId]);
-      }
-    },
-
-    /**
-     * Disable animation within this cookie list item, in preparation for making
-     * changes that will need to be animated. Makes it possible to measure the
-     * contents without displaying them, to set animation targets.
-     * @private
-     */
-    disableAnimation_: function() {
-      this.itemsHeight_ = getItemHeight(this.itemsChild);
-      this.classList.add('measure-items');
-    },
-
-    /**
-     * Enable animation after changing the contents of this cookie list item.
-     * See @{code disableAnimation_}.
-     * @private
-     */
-    enableAnimation_: function() {
-      if (!this.classList.contains('measure-items'))
-        this.disableAnimation_();
-      this.itemsChild.style.height = '';
-      // This will force relayout in order to calculate the new heights.
-      var itemsHeight = getItemHeight(this.itemsChild);
-      var fixedHeight = getItemHeight(this) + itemsHeight - this.itemsHeight_;
-      this.itemsChild.style.height = this.itemsHeight_ + 'px';
-      // Force relayout before enabling animation, so that if we have
-      // changed things since the last layout, they will not be animated
-      // during subsequent layouts.
-      this.itemsChild.offsetHeight;
-      this.classList.remove('measure-items');
-      this.itemsChild.style.height = itemsHeight + 'px';
-      this.style.height = fixedHeight + 'px';
-      if (this.expanded)
-        this.list.leadItemHeight = fixedHeight;
-    },
-
-    /**
-     * Updates the origin summary to reflect changes in its items.
-     * Both CookieListItem and CookieTreeNode implement this API.
-     * This implementation scans the descendants to update the text.
-     */
-    updateOrigin: function() {
-      var info = {
-        cookies: 0,
-        database: false,
-        localStorage: false,
-        appCache: false,
-        indexedDb: false
-      };
-      if (this.origin)
-        this.origin.collectSummaryInfo(info);
-      var list = [];
-      if (info.cookies > 1)
-        list.push(localStrings.getStringF('cookie_plural', info.cookies));
-      else if (info.cookies > 0)
-        list.push(localStrings.getString('cookie_singular'));
-      if (info.database || info.indexedDb)
-        list.push(localStrings.getString('cookie_database_storage'));
-      if (info.localStorage)
-        list.push(localStrings.getString('cookie_local_storage'));
-      if (info.appCache)
-        list.push(localStrings.getString('cookie_app_cache'));
-      var text = '';
-      for (var i = 0; i < list.length; ++i)
-        if (text.length > 0)
-          text += ', ' + list[i];
-        else
-          text = list[i];
-      this.dataChild.textContent = text;
-      if (this.expanded)
-        this.updateItems_();
-    },
-
-    /**
-     * Updates the items section to reflect changes, animating to the new state.
-     * Removes existing contents and calls @{code CookieTreeNode.createItems}.
-     * @private
-     */
-    updateItems_: function() {
-      this.disableAnimation_();
-      this.itemsChild.textContent = '';
-      this.infoChild.classList.add('hidden');
-      this.selectedIndex_ = -1;
-      this.itemList_ = [];
-      if (this.origin)
-        this.origin.createItems(this);
-      this.itemsChild.appendChild(this.infoChild);
-      this.enableAnimation_();
-    },
-
-    /**
-     * Append a new cookie node "bubble" to this list item.
-     * @param {CookieTreeNode} node The cookie node to add a bubble for.
-     * @param {Element} div The DOM element for the bubble itself.
-     * @return {number} The index the bubble was added at.
-     */
-    appendItem: function(node, div) {
-      this.itemList_.push({node: node, div: div});
-      this.itemsChild.appendChild(div);
-      return this.itemList_.length - 1;
-    },
-
-    /**
-     * The currently selected cookie node ("cookie bubble") index.
-     * @type {number}
-     * @private
-     */
-    selectedIndex_: -1,
-
-    /**
-     * Get the currently selected cookie node ("cookie bubble") index.
-     * @type {number}
-     */
-    get selectedIndex() {
-      return this.selectedIndex_;
-    },
-
-    /**
-     * Set the currently selected cookie node ("cookie bubble") index to
-     * @{code itemIndex}, unselecting any previously selected node first.
-     * @param {number} itemIndex The index to set as the selected index.
-     */
-    set selectedIndex(itemIndex) {
-      // Get the list index up front before we change anything.
-      var index = this.list.getIndexOfListItem(this);
-      // Unselect any previously selected item.
-      if (this.selectedIndex_ >= 0) {
-        var item = this.itemList_[this.selectedIndex_];
-        if (item && item.div)
-          item.div.removeAttribute('selected');
-      }
-      // Special case: decrementing -1 wraps around to the end of the list.
-      if (itemIndex == -2)
-        itemIndex = this.itemList_.length - 1;
-      // Check if we're going out of bounds and hide the item details.
-      if (itemIndex < 0 || itemIndex >= this.itemList_.length) {
-        this.selectedIndex_ = -1;
-        this.disableAnimation_();
-        this.infoChild.classList.add('hidden');
-        this.enableAnimation_();
-        return;
-      }
-      // Set the new selected item and show the item details for it.
-      this.selectedIndex_ = itemIndex;
-      this.itemList_[itemIndex].div.setAttribute('selected', '');
-      this.disableAnimation_();
-      this.itemList_[itemIndex].node.setDetailText(this.infoChild,
-                                                   this.list.infoNodes);
-      this.infoChild.classList.remove('hidden');
-      this.enableAnimation_();
-      // If we're near the bottom of the list this may cause the list item to go
-      // beyond the end of the visible area. Fix it after the animation is done.
-      var list = this.list;
-      window.setTimeout(function() { list.scrollIndexIntoView(index); }, 150);
-    },
-  };
-
-  /**
-   * {@code CookieTreeNode}s mirror the structure of the cookie tree lazily, and
-   * contain all the actual data used to generate the {@code CookieListItem}s.
-   * @param {Object} data The data object for this node.
-   * @constructor
-   */
-  function CookieTreeNode(data) {
-    this.data = data;
-    this.children = [];
-  }
-
-  CookieTreeNode.prototype = {
-    /**
-     * Insert a cookie tree node at the given index.
-     * Both CookiesList and CookieTreeNode implement this API.
-     * @param {Object} data The data object for the node to add.
-     * @param {number} index The index at which to insert the node.
-     */
-    insertAt: function(data, index) {
-      var child = new CookieTreeNode(data);
-      this.children.splice(index, 0, child);
-      child.parent = this;
-      this.updateOrigin();
-    },
-
-    /**
-     * Remove a cookie tree node from the given index.
-     * Both CookiesList and CookieTreeNode implement this API.
-     * @param {number} index The index of the tree node to remove.
-     */
-    remove: function(index) {
-      if (index < this.children.length) {
-        this.children.splice(index, 1);
-        this.updateOrigin();
-      }
-    },
-
-    /**
-     * Clears all children.
-     * Both CookiesList and CookieTreeNode implement this API.
-     * It is used by CookiesList.loadChildren().
-     */
-    clear: function() {
-      // We might leave some garbage in parentLookup for removed children.
-      // But that should be OK because parentLookup is cleared when we
-      // reload the tree.
-      this.children = [];
-      this.updateOrigin();
-    },
-
-    /**
-     * The counter used by startBatchUpdates() and endBatchUpdates().
-     * @type {number}
-     */
-    batchCount_: 0,
-
-    /**
-     * See cr.ui.List.startBatchUpdates().
-     * Both CookiesList (via List) and CookieTreeNode implement this API.
-     */
-    startBatchUpdates: function() {
-      this.batchCount_++;
-    },
-
-    /**
-     * See cr.ui.List.endBatchUpdates().
-     * Both CookiesList (via List) and CookieTreeNode implement this API.
-     */
-    endBatchUpdates: function() {
-      if (!--this.batchCount_)
-        this.updateOrigin();
-    },
-
-    /**
-     * Requests updating the origin summary to reflect changes in this item.
-     * Both CookieListItem and CookieTreeNode implement this API.
-     */
-    updateOrigin: function() {
-      if (!this.batchCount_ && this.parent)
-        this.parent.updateOrigin();
-    },
-
-    /**
-     * Summarize the information in this node and update @{code info}.
-     * This will recurse into child nodes to summarize all descendants.
-     * @param {Object} info The info object from @{code updateOrigin}.
-     */
-    collectSummaryInfo: function(info) {
-      if (this.children.length > 0) {
-        for (var i = 0; i < this.children.length; ++i)
-          this.children[i].collectSummaryInfo(info);
-      } else if (this.data && !this.data.hasChildren) {
-        if (this.data.type == 'cookie')
-          info.cookies++;
-        else if (this.data.type == 'database')
-          info.database = true;
-        else if (this.data.type == 'local_storage')
-          info.localStorage = true;
-        else if (this.data.type == 'app_cache')
-          info.appCache = true;
-        else if (this.data.type == 'indexed_db')
-          info.indexedDb = true;
-      }
-    },
-
-    /**
-     * Create the cookie "bubbles" for this node, recursing into children
-     * if there are any. Append the cookie bubbles to @{code item}.
-     * @param {CookieListItem} item The cookie list item to create items in.
-     */
-    createItems: function(item) {
-      if (this.children.length > 0) {
-        for (var i = 0; i < this.children.length; ++i)
-          this.children[i].createItems(item);
-      } else if (this.data && !this.data.hasChildren) {
-        var text = '';
-        switch (this.data.type) {
-          case 'cookie':
-          case 'database':
-            text = this.data.name;
-            break;
-          case 'local_storage':
-            text = localStrings.getString('cookie_local_storage');
-            break;
-          case 'app_cache':
-            text = localStrings.getString('cookie_app_cache');
-            break;
-          case 'indexed_db':
-            text = localStrings.getString('cookie_indexed_db');
-            break;
-        }
-        var div = item.ownerDocument.createElement('div');
-        div.className = 'cookie-item';
-        // Help out screen readers and such: this is a clickable thing.
-        div.setAttribute('role', 'button');
-        div.textContent = text;
-        var index = item.appendItem(this, div);
-        div.onclick = function() {
-          if (item.selectedIndex == index)
-            item.selectedIndex = -1;
-          else
-            item.selectedIndex = index;
-        };
-      }
-    },
-
-    /**
-     * Set the detail text to be displayed to that of this cookie tree node.
-     * Uses preallocated DOM elements for each cookie node type from @{code
-     * infoNodes}, and inserts the appropriate elements to @{code element}.
-     * @param {Element} element The DOM element to insert elements to.
-     * @param {Object.<string, {table: Element, info: Object.<string,
-     *     Element>}>} infoNodes The map from cookie node types to maps from
-     *     cookie attribute names to DOM elements to display cookie attribute
-     *     values, created by @{code CookiesList.decorate}.
-     */
-    setDetailText: function(element, infoNodes) {
-      var table;
-      if (this.data && !this.data.hasChildren) {
-        if (cookieInfo[this.data.type]) {
-          var info = cookieInfo[this.data.type];
-          var nodes = infoNodes[this.data.type].info;
-          for (var i = 0; i < info.length; ++i) {
-            var name = info[i][0];
-            if (name != 'id' && this.data[name])
-              nodes[name].textContent = this.data[name];
-          }
-          table = infoNodes[this.data.type].table;
-        }
-      }
-      while (element.childNodes.length > 1)
-        element.removeChild(element.firstChild);
-      if (table)
-        element.insertBefore(table, element.firstChild);
-    },
-
-    /**
-     * The parent of this cookie tree node.
-     * @type {?CookieTreeNode|CookieListItem}
-     */
-    get parent(parent) {
-      // See below for an explanation of this special case.
-      if (typeof this.parent_ == 'number')
-        return this.list_.getListItemByIndex(this.parent_);
-      return this.parent_;
-    },
-    set parent(parent) {
-      if (parent == this.parent)
-        return;
-      if (parent instanceof CookieListItem) {
-        // If the parent is to be a CookieListItem, then we keep the reference
-        // to it by its containing list and list index, rather than directly.
-        // This allows the list items to be garbage collected when they scroll
-        // out of view (except the expanded item, which we cache). This is
-        // transparent except in the setter and getter, where we handle it.
-        this.parent_ = parent.listIndex;
-        this.list_ = parent.list;
-        parent.addEventListener('listIndexChange',
-                                this.parentIndexChanged_.bind(this));
-      } else {
-        this.parent_ = parent;
-      }
-      if (this.data && this.data.id) {
-        if (parent)
-          parentLookup[this.data.id] = this;
-        else
-          delete parentLookup[this.data.id];
-      }
-      if (this.data && this.data.hasChildren &&
-          !this.children.length && !lookupRequests[this.data.id]) {
-        lookupRequests[this.data.id] = true;
-        chrome.send('loadCookie', [this.pathId]);
-      }
-    },
-
-    /**
-     * Called when the parent is a CookieListItem whose index has changed.
-     * See the code above that avoids keeping a direct reference to
-     * CookieListItem parents, to allow them to be garbage collected.
-     * @private
-     */
-    parentIndexChanged_: function(event) {
-      if (typeof this.parent_ == 'number') {
-        this.parent_ = event.newValue;
-        // We set a timeout to update the origin, rather than doing it right
-        // away, because this callback may occur while the list items are
-        // being repopulated following a scroll event. Calling updateOrigin()
-        // immediately could trigger relayout that would reset the scroll
-        // position within the list, among other things.
-        window.setTimeout(this.updateOrigin.bind(this), 0);
-      }
-    },
-
-    /**
-     * The cookie tree path id.
-     * @type {string}
-     */
-    get pathId() {
-      var parent = this.parent;
-      if (parent && parent instanceof CookieTreeNode)
-        return parent.pathId + ',' + this.data.id;
-      return this.data.id;
-    },
-  };
-
-  /**
-   * Creates a new cookies list.
-   * @param {Object=} opt_propertyBag Optional properties.
-   * @constructor
-   * @extends {DeletableItemList}
-   */
-  var CookiesList = cr.ui.define('list');
-
-  CookiesList.prototype = {
-    __proto__: DeletableItemList.prototype,
-
-    /** @inheritDoc */
-    decorate: function() {
-      DeletableItemList.prototype.decorate.call(this);
-      this.classList.add('cookie-list');
-      this.data_ = [];
-      this.dataModel = new ArrayDataModel(this.data_);
-      this.addEventListener('keydown', this.handleKeyLeftRight_.bind(this));
-      var sm = new ListSingleSelectionModel();
-      sm.addEventListener('change', this.cookieSelectionChange_.bind(this));
-      sm.addEventListener('leadIndexChange', this.cookieLeadChange_.bind(this));
-      this.selectionModel = sm;
-      this.infoNodes = {};
-      var doc = this.ownerDocument;
-      // Create a table for each type of site data (e.g. cookies, databases,
-      // etc.) and save it so that we can reuse it for all origins.
-      for (var type in cookieInfo) {
-        var table = doc.createElement('table');
-        table.className = 'cookie-details-table';
-        var tbody = doc.createElement('tbody');
-        table.appendChild(tbody);
-        var info = {};
-        for (var i = 0; i < cookieInfo[type].length; i++) {
-          var tr = doc.createElement('tr');
-          var name = doc.createElement('td');
-          var data = doc.createElement('td');
-          var pair = cookieInfo[type][i];
-          name.className = 'cookie-details-label';
-          name.textContent = localStrings.getString(pair[1]);
-          data.className = 'cookie-details-value';
-          data.textContent = '';
-          tr.appendChild(name);
-          tr.appendChild(data);
-          tbody.appendChild(tr);
-          info[pair[0]] = data;
-        }
-        this.infoNodes[type] = {table: table, info: info};
-      }
-    },
-
-    /**
-     * Handles key down events and looks for left and right arrows, then
-     * dispatches to the currently expanded item, if any.
-     * @param {Event} e The keydown event.
-     * @private
-     */
-    handleKeyLeftRight_: function(e) {
-      var id = e.keyIdentifier;
-      if ((id == 'Left' || id == 'Right') && this.expandedItem) {
-        var cs = this.ownerDocument.defaultView.getComputedStyle(this);
-        var rtl = cs.direction == 'rtl';
-        if ((!rtl && id == 'Left') || (rtl && id == 'Right'))
-          this.expandedItem.selectedIndex--;
-        else
-          this.expandedItem.selectedIndex++;
-        this.scrollIndexIntoView(this.expandedItem.listIndex);
-        // Prevent the page itself from scrolling.
-        e.preventDefault();
-      }
-    },
-
-    /**
-     * Called on selection model selection changes.
-     * @param {Event} ce The selection change event.
-     * @private
-     */
-    cookieSelectionChange_: function(ce) {
-      ce.changes.forEach(function(change) {
-          var listItem = this.getListItemByIndex(change.index);
-          if (listItem) {
-            if (!change.selected) {
-              // We set a timeout here, rather than setting the item unexpanded
-              // immediately, so that if another item gets set expanded right
-              // away, it will be expanded before this item is unexpanded. It
-              // will notice that, and unexpand this item in sync with its own
-              // expansion. Later, this callback will end up having no effect.
-              window.setTimeout(function() {
-                if (!listItem.selected || !listItem.lead)
-                  listItem.expanded = false;
-              }, 0);
-            } else if (listItem.lead) {
-              listItem.expanded = true;
-            }
-          }
-        }, this);
-    },
-
-    /**
-     * Called on selection model lead changes.
-     * @param {Event} pe The lead change event.
-     * @private
-     */
-    cookieLeadChange_: function(pe) {
-      if (pe.oldValue != -1) {
-        var listItem = this.getListItemByIndex(pe.oldValue);
-        if (listItem) {
-          // See cookieSelectionChange_ above for why we use a timeout here.
-          window.setTimeout(function() {
-            if (!listItem.lead || !listItem.selected)
-              listItem.expanded = false;
-          }, 0);
-        }
-      }
-      if (pe.newValue != -1) {
-        var listItem = this.getListItemByIndex(pe.newValue);
-        if (listItem && listItem.selected)
-          listItem.expanded = true;
-      }
-    },
-
-    /**
-     * The currently expanded item. Used by CookieListItem above.
-     * @type {?CookieListItem}
-     */
-    expandedItem: null,
-
-    // from cr.ui.List
-    /** @inheritDoc */
-    createItem: function(data) {
-      // We use the cached expanded item in order to allow it to maintain some
-      // state (like its fixed height, and which bubble is selected).
-      if (this.expandedItem && this.expandedItem.origin == data)
-        return this.expandedItem;
-      return new CookieListItem(data, this);
-    },
-
-    // from options.DeletableItemList
-    /** @inheritDoc */
-    deleteItemAtIndex: function(index) {
-      var item = this.data_[index];
-      if (item) {
-        var pathId = item.pathId;
-        if (pathId)
-          chrome.send('removeCookie', [pathId]);
-      }
-    },
-
-    /**
-     * Insert a cookie tree node at the given index.
-     * Both CookiesList and CookieTreeNode implement this API.
-     * @param {Object} data The data object for the node to add.
-     * @param {number} index The index at which to insert the node.
-     */
-    insertAt: function(data, index) {
-      this.dataModel.splice(index, 0, new CookieTreeNode(data));
-    },
-
-    /**
-     * Remove a cookie tree node from the given index.
-     * Both CookiesList and CookieTreeNode implement this API.
-     * @param {number} index The index of the tree node to remove.
-     */
-    remove: function(index) {
-      if (index < this.data_.length)
-        this.dataModel.splice(index, 1);
-    },
-
-    /**
-     * Clears the list.
-     * Both CookiesList and CookieTreeNode implement this API.
-     * It is used by CookiesList.loadChildren().
-     */
-    clear: function() {
-      parentLookup = {};
-      this.data_ = [];
-      this.dataModel = new ArrayDataModel(this.data_);
-      this.redraw();
-    },
-
-    /**
-     * Add tree nodes by given parent.
-     * Note: this method will be O(n^2) in the general case. Use it only to
-     * populate an empty parent or to insert single nodes to avoid this.
-     * @param {Object} parent The parent node.
-     * @param {number} start Start index of where to insert nodes.
-     * @param {Array} nodesData Nodes data array.
-     * @private
-     */
-    addByParent_: function(parent, start, nodesData) {
-      if (!parent)
-        return;
-
-      parent.startBatchUpdates();
-      for (var i = 0; i < nodesData.length; ++i)
-        parent.insertAt(nodesData[i], start + i);
-      parent.endBatchUpdates();
-
-      cr.dispatchSimpleEvent(this, 'change');
-    },
-
-    /**
-     * Add tree nodes by parent id.
-     * This is used by cookies_view.js.
-     * Note: this method will be O(n^2) in the general case. Use it only to
-     * populate an empty parent or to insert single nodes to avoid this.
-     * @param {string} parentId Id of the parent node.
-     * @param {number} start Start index of where to insert nodes.
-     * @param {Array} nodesData Nodes data array.
-     */
-    addByParentId: function(parentId, start, nodesData) {
-      var parent = parentId ? parentLookup[parentId] : this;
-      this.addByParent_(parent, start, nodesData);
-    },
-
-    /**
-     * Removes tree nodes by parent id.
-     * This is used by cookies_view.js.
-     * @param {string} parentId Id of the parent node.
-     * @param {number} start Start index of nodes to remove.
-     * @param {number} count Number of nodes to remove.
-     */
-    removeByParentId: function(parentId, start, count) {
-      var parent = parentId ? parentLookup[parentId] : this;
-      if (!parent)
-        return;
-
-      parent.startBatchUpdates();
-      while (count-- > 0)
-        parent.remove(start);
-      parent.endBatchUpdates();
-
-      cr.dispatchSimpleEvent(this, 'change');
-    },
-
-    /**
-     * Loads the immediate children of given parent node.
-     * This is used by cookies_view.js.
-     * @param {string} parentId Id of the parent node.
-     * @param {Array} children The immediate children of parent node.
-     */
-    loadChildren: function(parentId, children) {
-      if (parentId)
-        delete lookupRequests[parentId];
-      var parent = parentId ? parentLookup[parentId] : this;
-      if (!parent)
-        return;
-
-      parent.startBatchUpdates();
-      parent.clear();
-      this.addByParent_(parent, 0, children);
-      parent.endBatchUpdates();
-    },
-  };
-
-  return {
-    CookiesList: CookiesList
-  };
-});