Use copies of canned browsing data helpers to populate the cookies tree model.

chrome/browser/browsing_data_indexed_db_helper.cc

 // 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.
 
 #include "chrome/browser/browsing_data_indexed_db_helper.h"
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
@@ skipping 190 matching lines @@
 }
 
 CannedBrowsingDataIndexedDBHelper::CannedBrowsingDataIndexedDBHelper(
     Profile* profile)
     : profile_(profile),
       completion_callback_(NULL),
       is_fetching_(false) {
   DCHECK(profile);
 }
 
+CannedBrowsingDataIndexedDBHelper* CannedBrowsingDataIndexedDBHelper::Clone() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  CannedBrowsingDataIndexedDBHelper* clone =
+      new CannedBrowsingDataIndexedDBHelper(profile_);
+
+  base::AutoLock auto_lock(lock_);
+  clone->pending_indexed_db_info_ = pending_indexed_db_info_;
+  clone->indexed_db_info_ = indexed_db_info_;
+  return clone;
+}
+
 void CannedBrowsingDataIndexedDBHelper::AddIndexedDB(
     const GURL& origin, const string16& description) {
   base::AutoLock auto_lock(lock_);
   pending_indexed_db_info_.push_back(PendingIndexedDBInfo(origin, description));
 }
 
 void CannedBrowsingDataIndexedDBHelper::Reset() {
   base::AutoLock auto_lock(lock_);
   indexed_db_info_.clear();
   pending_indexed_db_info_.clear();
@@ skipping 63 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(is_fetching_);
   // Note: completion_callback_ mutates only in the UI thread, so it's safe to
   // test it here.
   if (completion_callback_ != NULL) {
     completion_callback_->Run(indexed_db_info_);
     completion_callback_.reset();
   }
   is_fetching_ = false;
 }