Enable RL sync by default on iOS

components/reading_list/offline_url_utils.cc

-// 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.
-
-#include "components/reading_list/offline_url_utils.h"
-
-#include "base/md5.h"
-#include "base/strings/stringprintf.h"
-
-namespace {
-const char kOfflineDirectory[] = "Offline";
-const char kMainPageFileName[] = "page.html";
-}  // namespace
-
-namespace reading_list {
-
-base::FilePath OfflineRootDirectoryPath(const base::FilePath& profile_path) {
-  return profile_path.Append(FILE_PATH_LITERAL(kOfflineDirectory));
-}
-
-std::string OfflineURLDirectoryID(const GURL& url) {
-  return base::MD5String(url.spec());
-}
-
-base::FilePath OfflinePagePath(const GURL& url) {
-  base::FilePath directory(OfflineURLDirectoryID(url));
-  return directory.Append(FILE_PATH_LITERAL(kMainPageFileName));
-}
-
-base::FilePath OfflineURLDirectoryAbsolutePath(
-    const base::FilePath& profile_path,
-    const GURL& url) {
-  return OfflineRootDirectoryPath(profile_path)
-      .Append(OfflineURLDirectoryID(url));
-}
-
-base::FilePath OfflinePageAbsolutePath(const base::FilePath& profile_path,
-                                       const GURL& url) {
-  return OfflineRootDirectoryPath(profile_path).Append(OfflinePagePath(url));
-}
-}