Create distiller files for Reading List.

ios/chrome/browser/reading_list/reading_list_download_service_factory.cc

Index: ios/chrome/browser/reading_list/reading_list_download_service_factory.cc
diff --git a/ios/chrome/browser/reading_list/reading_list_download_service_factory.cc b/ios/chrome/browser/reading_list/reading_list_download_service_factory.cc
index 7507d7921bba396cd4a37e0fb474a67ea5add91e..874ec8ff350e0f11f7f11fb73aa3942e332e0f95 100644
--- a/ios/chrome/browser/reading_list/reading_list_download_service_factory.cc
+++ b/ios/chrome/browser/reading_list/reading_list_download_service_factory.cc
@@ -7,9 +7,13 @@
 #include "base/files/file_path.h"
 #include "base/memory/singleton.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
+#include "ios/chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/dom_distiller/dom_distiller_service_factory.h"
+#include "ios/chrome/browser/favicon/favicon_service_factory.h"
+#include "ios/chrome/browser/history/history_service_factory.h"
+#include "ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h"
 #include "ios/chrome/browser/reading_list/reading_list_download_service.h"
 #include "ios/chrome/browser/reading_list/reading_list_model_factory.h"
 
@@ -33,6 +37,9 @@ ReadingListDownloadServiceFactory::ReadingListDownloadServiceFactory()
           BrowserStateDependencyManager::GetInstance()) {
   DependsOn(ReadingListModelFactory::GetInstance());
   DependsOn(dom_distiller::DomDistillerServiceFactory::GetInstance());
+  DependsOn(ios::FaviconServiceFactory::GetInstance());
+  DependsOn(ios::HistoryServiceFactory::GetInstance());
+  DependsOn(ios::BookmarkModelFactory::GetInstance());
 }
 
 ReadingListDownloadServiceFactory::~ReadingListDownloadServiceFactory() {}
@@ -42,13 +49,20 @@ ReadingListDownloadServiceFactory::BuildServiceInstanceFor(
     web::BrowserState* context) const {
   ios::ChromeBrowserState* chrome_browser_state =
       ios::ChromeBrowserState::FromBrowserState(context);
+
+  std::unique_ptr<reading_list::ReadingListDistillerPageFactory>
+      distiller_page_factory =
+          base::MakeUnique<reading_list::ReadingListDistillerPageFactory>(
+              context);
+
   std::unique_ptr<ReadingListDownloadService> reading_list_download_service(
       new ReadingListDownloadService(
           ReadingListModelFactory::GetForBrowserState(chrome_browser_state),
           dom_distiller::DomDistillerServiceFactory::GetForBrowserState(
               chrome_browser_state),
           chrome_browser_state->GetPrefs(),
-          chrome_browser_state->GetStatePath()));
+          chrome_browser_state->GetStatePath(),
+          std::move(distiller_page_factory)));
   return std::move(reading_list_download_service);
 }