Use Distilled path instead of DistilledURL.

ios/chrome/browser/reading_list/reading_list_download_service.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/reading_list_download_service.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 159 matching lines @@
 
 void ReadingListDownloadService::RemoveDownloadedEntry(
     const ReadingListEntry& entry) {
   DCHECK(reading_list_model_->loaded());
   url_downloader_->RemoveOfflineURL(entry.URL());
 }
 
 void ReadingListDownloadService::OnDownloadEnd(
     const GURL& url,
     URLDownloader::SuccessState success,
-    const GURL& distilled_url,
+    const base::FilePath& distilled_path,
     const std::string& title) {
   DCHECK(reading_list_model_->loaded());
   if ((success == URLDownloader::DOWNLOAD_SUCCESS ||
        success == URLDownloader::DOWNLOAD_EXISTS) &&
-      distilled_url.is_valid()) {
-    reading_list_model_->SetEntryDistilledURL(url, distilled_url);
+      !distilled_path.empty()) {
+    reading_list_model_->SetEntryDistilledPath(url, distilled_path);
 
   } else if (success == URLDownloader::ERROR_RETRY) {
     reading_list_model_->SetEntryDistilledState(url,
                                                 ReadingListEntry::WILL_RETRY);
     ScheduleDownloadEntryFromURL(url);
 
   } else if (success == URLDownloader::ERROR_PERMANENT) {
     reading_list_model_->SetEntryDistilledState(url, ReadingListEntry::ERROR);
   }
 }
@@ skipping 14 matching lines @@
     for (auto& url : url_to_download_cellular_) {
       ScheduleDownloadEntryFromURL(url);
     }
   }
   if (type == net::NetworkChangeNotifier::CONNECTION_WIFI) {
     for (auto& url : url_to_download_wifi_) {
       ScheduleDownloadEntryFromURL(url);
     }
   }
 }