Move ReadingList model to components/reading_list/core

ios/chrome/browser/reading_list/url_downloader.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 "ios/chrome/browser/reading_list/url_downloader.h"
 
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/memory/ptr_util.h"
 #include "base/path_service.h"
-#include "components/reading_list/ios/offline_url_utils.h"
+#include "components/reading_list/core/offline_url_utils.h"
 #include "ios/chrome/browser/chrome_paths.h"
 #include "ios/chrome/browser/dom_distiller/distiller_viewer.h"
 #include "ios/chrome/browser/reading_list/reading_list_distiller_page.h"
 #include "ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h"
 #include "ios/web/public/web_thread.h"
 #include "net/base/escape.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
@@ skipping 352 matching lines @@
   base::FilePath path = reading_list::OfflineURLAbsolutePathFromRelativePath(
       base_directory_,
       reading_list::OfflinePagePath(url, reading_list::OFFLINE_TYPE_HTML));
   int written = base::WriteFile(path, html.c_str(), html.length());
   if (written <= 0) {
     return false;
   }
   saved_size_ += written;
   return true;
 }