Remove usage of DomDistillerService in ReadingListDownloadService.

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"
@@ skipping 25 matching lines @@
     "    var imgMenuDisabler = document.createElement('style');"
     "    imgMenuDisabler.innerHTML = 'img { -webkit-touch-callout: none; }';"
     "    document.head.appendChild(imgMenuDisabler);"
     "}, false);"
     "</script>";
 }  // namespace
 
 // URLDownloader
 
 URLDownloader::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)
-    : distiller_service_(distiller_service),
-      distiller_page_factory_(distiller_page_factory),
+    : distiller_page_factory_(distiller_page_factory),
+      distiller_factory_(distiller_factory),
       pref_service_(prefs),
       download_completion_(download_completion),
       delete_completion_(delete_completion),
       working_(false),
       base_directory_(chrome_profile_path),
       mime_type_(),
       url_request_context_getter_(url_request_context_getter),
       task_tracker_() {}
 
 URLDownloader::~URLDownloader() {
@@ skipping 102 matching lines @@
     return;
   }
 
   original_url_ = url;
   distilled_url_ = url;
   std::unique_ptr<reading_list::ReadingListDistillerPage>
       reading_list_distiller_page =
           distiller_page_factory_->CreateReadingListDistillerPage(this);
 
   distiller_.reset(new dom_distiller::DistillerViewer(
-      distiller_service_, pref_service_, url,
-      base::Bind(&URLDownloader::DistillerCallback, base::Unretained(this)),
-      std::move(reading_list_distiller_page)));
+      distiller_factory_, std::move(reading_list_distiller_page), pref_service_,
+      url,
+      base::Bind(&URLDownloader::DistillerCallback, base::Unretained(this))));
 }
 
 void URLDownloader::DistilledPageRedirectedToURL(const GURL& page_url,
                                                  const GURL& redirected_url) {
   DCHECK(original_url_ == page_url);
   distilled_url_ = redirected_url;
 }
 
 void URLDownloader::DistilledPageHasMimeType(const GURL& original_url,
                                              const std::string& mime_type) {
@@ skipping 167 matching lines @@
 
 bool URLDownloader::SaveHTMLForURL(std::string html, const GURL& url) {
   if (html.empty()) {
     return false;
   }
   base::FilePath path = reading_list::OfflineURLAbsolutePathFromRelativePath(
       base_directory_,
       reading_list::OfflinePagePath(url, reading_list::OFFLINE_TYPE_HTML));
   return base::WriteFile(path, html.c_str(), html.length()) > 0;
 }