Get signals working in the EXTRA_DATA section of MHTML

components/offline_pages/core/offline_page_archiver.h

 // Copyright 2015 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.
 
 #ifndef COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_PAGE_ARCHIVER_H_
 #define COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_PAGE_ARCHIVER_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
@@ skipping 63 matching lines @@
                               int64_t /* file_size */)>
       CreateArchiveCallback;
 
   virtual ~OfflinePageArchiver() {}
 
   // Starts creating the archive in the |archives_dir| per
   // |create_archive_params|. Once archive is created |callback| will be called
   // with the result and additional information.
   virtual void CreateArchive(const base::FilePath& archives_dir,
                              const CreateArchiveParams& create_archive_params,
+                             const std::vector<std::string>& signal_data,
                              const CreateArchiveCallback& callback) = 0;
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_PAGE_ARCHIVER_H_