Remove Clone() from CannedBrowsingData*Helper classes

chrome/browser/browsing_data/browsing_data_database_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_database_helper.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 129 matching lines @@
 
 bool CannedBrowsingDataDatabaseHelper::PendingDatabaseInfo::operator<(
     const PendingDatabaseInfo& other) const {
   if (origin == other.origin)
     return name < other.name;
   return origin < other.origin;
 }
 
 CannedBrowsingDataDatabaseHelper::CannedBrowsingDataDatabaseHelper(
     Profile* profile)
-    : BrowsingDataDatabaseHelper(profile),
-      profile_(profile) {
-}
-
-CannedBrowsingDataDatabaseHelper* CannedBrowsingDataDatabaseHelper::Clone() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  CannedBrowsingDataDatabaseHelper* clone =
-      new CannedBrowsingDataDatabaseHelper(profile_);
-
-  clone->pending_database_info_ = pending_database_info_;
-  return clone;
+    : BrowsingDataDatabaseHelper(profile) {
 }
 
 void CannedBrowsingDataDatabaseHelper::AddDatabase(
     const GURL& origin,
     const std::string& name,
     const std::string& description) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (BrowsingDataHelper::HasWebScheme(origin)) {
     pending_database_info_.insert(PendingDatabaseInfo(
           origin, name, description));
@@ skipping 55 matching lines @@
        ++it) {
     if (it->origin == origin && it->name == name) {
       pending_database_info_.erase(it);
       break;
     }
   }
   BrowsingDataDatabaseHelper::DeleteDatabase(origin_identifier, name);
 }
 
 CannedBrowsingDataDatabaseHelper::~CannedBrowsingDataDatabaseHelper() {}