Enable RL sync by default on iOS

components/reading_list/offline_url_utils.h

-// Copyright 2016 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_READING_LIST_OFFLINE_URL_UTILS_H_
-#define COMPONENTS_READING_LIST_OFFLINE_URL_UTILS_H_
-
-#include <string>
-
-#include "base/files/file_path.h"
-#include "url/gurl.h"
-
-namespace reading_list {
-
-// The absolute path of the directory where offline URLs are saved.
-// |profile_path| is the path to the profile directory that contain the offline
-// directory.
-base::FilePath OfflineRootDirectoryPath(const base::FilePath& profile_path);
-
-// The absolute path of the directory where a |url| is saved offline.
-// Contains the page and supporting files (images).
-// |profile_path| is the path to the profile directory that contain the offline
-// directory.
-// The directory may not exist.
-base::FilePath OfflineURLDirectoryAbsolutePath(
-    const base::FilePath& profile_path,
-    const GURL& url);
-
-// The absolute path of the offline webpage for the |url|. The file may not
-// exist.
-// |profile_path| is the path to the profile directory that contain the offline
-// directory.
-base::FilePath OfflinePageAbsolutePath(const base::FilePath& profile_path,
-                                       const GURL& url);
-
-// The relative path to the offline webpage for the |url|. The result is
-// relative to |OfflineRootDirectoryPath()|.
-// The file may not exist.
-base::FilePath OfflinePagePath(const GURL& url);
-
-// The name of the directory containing offline data for |url|.
-std::string OfflineURLDirectoryID(const GURL& url);
-
-}  // namespace reading_list
-
-#endif  // COMPONENTS_READING_LIST_OFFLINE_URL_UTILS_H_