Implement delete methods for the various CannedBrowsingDataHelpers.

chrome/browser/browsing_data/cookies_tree_model.cc

 // 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.
 
 #include "chrome/browser/browsing_data/cookies_tree_model.h"
 
 #include <algorithm>
 #include <functional>
 #include <vector>
 
@@ skipping 379 matching lines @@
           base::UTF8ToUTF16(session_storage_info->origin_url.spec())),
       session_storage_info_(session_storage_info) {
 }
 
 CookieTreeSessionStorageNode::~CookieTreeSessionStorageNode() {}
 
 void CookieTreeSessionStorageNode::DeleteStoredObjects() {
   LocalDataContainer* container = GetLocalDataContainerForNode(this);
 
   if (container) {
+    // TODO(rsesek): There's no easy way to get the namespace_id for a session
+    // storage, nor is there an easy way to clear session storage just by
+    // origin. This is probably okay since session storage is not persistent.
+    // http://crbug.com/168996
     container->session_storage_info_list_.erase(session_storage_info_);
   }
 }
 
 CookieTreeNode::DetailedInfo
 CookieTreeSessionStorageNode::GetDetailedInfo() const {
   return DetailedInfo().InitSessionStorage(&*session_storage_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ skipping 921 matching lines @@
 
 void CookiesTreeModel::NotifyObserverEndBatch() {
   // Only notify the observers if this is the outermost call to EndBatch() if
   // called in a nested manner.
   if (--batch_update_ == 0) {
     FOR_EACH_OBSERVER(Observer,
                       cookies_observer_list_,
                       TreeModelEndBatch(this));
   }
 }