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

chrome/browser/browsing_data_appcache_helper.cc

 // Copyright (c) 2010 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_appcache_helper.h"
 
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/browser_thread.h"
@@ skipping 85 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   ChromeURLRequestContext* request_context =
       reinterpret_cast<ChromeURLRequestContext*>(
           request_context_getter_->GetURLRequestContext());
   return request_context ? request_context->appcache_service()
                          : NULL;
 }
 
 CannedBrowsingDataAppCacheHelper::CannedBrowsingDataAppCacheHelper(
     Profile* profile)
-    : BrowsingDataAppCacheHelper(profile) {
+    : BrowsingDataAppCacheHelper(profile),
+      profile_(profile) {
   info_collection_ = new appcache::AppCacheInfoCollection;
 }
 
+CannedBrowsingDataAppCacheHelper* CannedBrowsingDataAppCacheHelper::Clone() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  CannedBrowsingDataAppCacheHelper* clone =
+      new CannedBrowsingDataAppCacheHelper(profile_);
+
+  clone->info_collection_->infos_by_origin = info_collection_->infos_by_origin;
+  return clone;
+}
+
 void CannedBrowsingDataAppCacheHelper::AddAppCache(const GURL& manifest_url) {
   typedef std::map<GURL, appcache::AppCacheInfoVector> InfoByOrigin;
   InfoByOrigin& origin_map = info_collection_->infos_by_origin;
   appcache::AppCacheInfoVector& appcache_infos_ =
       origin_map[manifest_url.GetOrigin()];
 
   for (appcache::AppCacheInfoVector::iterator
        appcache = appcache_infos_.begin(); appcache != appcache_infos_.end();
        ++appcache) {
     if (appcache->manifest_url == manifest_url)
@@ skipping 13 matching lines @@
   return info_collection_->infos_by_origin.empty();
 }
 
 void CannedBrowsingDataAppCacheHelper::StartFetching(
     Callback0::Type* completion_callback) {
   completion_callback->Run();
   delete completion_callback;
 }
 
 CannedBrowsingDataAppCacheHelper::~CannedBrowsingDataAppCacheHelper() {}