Update provider on Reading List model update

components/ntp_snippets/reading_list/reading_list_suggestions_provider.h

Index: components/ntp_snippets/reading_list/reading_list_suggestions_provider.h
diff --git a/components/ntp_snippets/reading_list/reading_list_suggestions_provider.h b/components/ntp_snippets/reading_list/reading_list_suggestions_provider.h
index 0e8895f08e03e63083a4c376af6094dfe7583913..e483d918f2abb1d429009c8255fa492c0a319764 100644
--- a/components/ntp_snippets/reading_list/reading_list_suggestions_provider.h
+++ b/components/ntp_snippets/reading_list/reading_list_suggestions_provider.h
@@ -51,6 +51,9 @@ class ReadingListSuggestionsProvider : public ContentSuggestionsProvider,
   // ReadingListModelObserver implementation.
   void ReadingListModelLoaded(const ReadingListModel* model) override;
   void ReadingListModelBeingDeleted(const ReadingListModel* model) override;
+  void ReadingListDidApplyChanges(ReadingListModel* model) override;
+  void ReadingListModelCompletedBatchUpdates(
+      const ReadingListModel* model) override;
 
  private:
   // The actual method to fetch Reading List entries. Must be called after the