Store distilled URL during distillation in Reading List on iOS

ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h

Index: ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h
diff --git a/ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h b/ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h
index 9ff76a92b3860775f8cc399bf3e6f6a0853901ab..052cac644b7e9fe58be6e7dbd00a05211b77a5fa 100644
--- a/ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h
+++ b/ios/chrome/browser/reading_list/reading_list_distiller_page_factory.h
@@ -15,6 +15,7 @@ class BrowserState;
 
 namespace reading_list {
 class FaviconWebStateDispatcher;
+class ReadingListDistillerPage;
 
 // ReadingListDistillerPageFactory is an iOS-specific implementation of the
 // DistillerPageFactory interface allowing the creation of DistillerPage
@@ -26,6 +27,10 @@ class ReadingListDistillerPageFactory
   explicit ReadingListDistillerPageFactory(web::BrowserState* browser_state);
   ~ReadingListDistillerPageFactory() override;
 
+  // Creates a ReadingListDistillerPage.
+  std::unique_ptr<reading_list::ReadingListDistillerPage>
+  CreateReadingListDistillerPage() const;
+
   // Implementation of DistillerPageFactory:
   std::unique_ptr<dom_distiller::DistillerPage> CreateDistillerPage(
       const gfx::Size& view_size) const override;