Remove Clone() from CannedBrowsingData*Helper classes

chrome/browser/browsing_data/browsing_data_appcache_helper.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/browsing_data_appcache_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 70 matching lines @@
 
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(is_fetching_);
   is_fetching_ = false;
   completion_callback_.Run();
   completion_callback_.Reset();
 }
 
 CannedBrowsingDataAppCacheHelper::CannedBrowsingDataAppCacheHelper(
     Profile* profile)
-    : BrowsingDataAppCacheHelper(profile),
-      profile_(profile) {
+    : BrowsingDataAppCacheHelper(profile) {
   info_collection_ = new content::AppCacheInfoCollection;
 }
 
-CannedBrowsingDataAppCacheHelper* CannedBrowsingDataAppCacheHelper::Clone() {
-  DCHECK_CURRENTLY_ON(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) {
   if (!BrowsingDataHelper::HasWebScheme(manifest_url))
     return;  // Ignore non-websafe schemes.
 
   OriginAppCacheInfoMap& origin_map = info_collection_->infos_by_origin;
   content::AppCacheInfoVector& appcache_infos_ =
       origin_map[manifest_url.GetOrigin()];
 
   for (content::AppCacheInfoVector::iterator
        appcache = appcache_infos_.begin(); appcache != appcache_infos_.end();
@@ skipping 36 matching lines @@
   completion_callback.Run();
 }
 
 void CannedBrowsingDataAppCacheHelper::DeleteAppCacheGroup(
     const GURL& manifest_url) {
   info_collection_->infos_by_origin.erase(manifest_url.GetOrigin());
   BrowsingDataAppCacheHelper::DeleteAppCacheGroup(manifest_url);
 }
 
 CannedBrowsingDataAppCacheHelper::~CannedBrowsingDataAppCacheHelper() {}