Remove usage of DomDistillerService in ReadingListDownloadService.

ios/chrome/browser/reading_list/url_downloader.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 IOS_CHROME_BROWSER_READING_LIST_URL_DOWNLOADER_H_
 #define IOS_CHROME_BROWSER_READING_LIST_URL_DOWNLOADER_H_
 
 #include <queue>
 
 #include "base/callback.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "ios/chrome/browser/dom_distiller/distiller_viewer.h"
 #include "ios/chrome/browser/reading_list/reading_list_distiller_page.h"
 
 class PrefService;
 class GURL;
 namespace base {
 class FilePath;
 }
 
-namespace dom_distiller {
-class DomDistillerService;
-}
-
 namespace net {
 class URLFetcher;
 class URLRequestContextGetter;
 }
 
 namespace reading_list {
 class ReadingListDistillerPageFactory;
 }
 
 // This class downloads and deletes offline versions of URLs.
@@ skipping 40 matching lines @@
                                                  const GURL&,
                                                  SuccessState,
                                                  const base::FilePath&,
                                                  const std::string&)>;
 
   // Create a URL downloader with completion callbacks for downloads and
   // deletions. The completion callbacks will be called with the original url
   // and a boolean indicating success. For downloads, if distillation was
   // successful, it will also include the distilled url and extracted title.
   URLDownloader(
-      dom_distiller::DomDistillerService* distiller_service,
+      dom_distiller::DistillerFactory* distiller_factory,
       reading_list::ReadingListDistillerPageFactory* distiller_page_factory,
       PrefService* prefs,
       base::FilePath chrome_profile_path,
       net::URLRequestContextGetter* url_request_context_getter,
       const DownloadCompletion& download_completion,
       const SuccessCompletion& delete_completion);
   ~URLDownloader() override;
 
   // Asynchronously download an offline version of the URL.
   void DownloadOfflineURL(const GURL& url);
@@ skipping 74 matching lines @@
       const std::string& title);
 
   // PDF processing methods
 
   // Starts fetching the PDF file. If |original_url_| triggered a redirection,
   // directly save |distilled_url_|.
   virtual void FetchPDFFile();
   // Saves the file downloaded by |fetcher_|. Creates the directory if needed.
   SuccessState SavePDFFile(const base::FilePath& temporary_path);
 
-  dom_distiller::DomDistillerService* distiller_service_;
   reading_list::ReadingListDistillerPageFactory* distiller_page_factory_;
+  dom_distiller::DistillerFactory* distiller_factory_;
   PrefService* pref_service_;
   const DownloadCompletion download_completion_;
   const SuccessCompletion delete_completion_;
+
   std::deque<Task> tasks_;
   bool working_;
   base::FilePath base_directory_;
   GURL original_url_;
   GURL distilled_url_;
   std::string mime_type_;
   // Fetcher used to redownload the document and save it in the sandbox.
   std::unique_ptr<net::URLFetcher> fetcher_;
   // URLRequestContextGetter needed for the URLFetcher.
   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
   std::unique_ptr<dom_distiller::DistillerViewerInterface> distiller_;
   base::CancelableTaskTracker task_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(URLDownloader);
 };
 
 #endif  // IOS_CHROME_BROWSER_READING_LIST_URL_DOWNLOADER_H_