FetchMore functionality backend

components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc

Index: components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
diff --git a/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc b/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
index 5298ea7232d4e8a8445e3d1aca850291e517fab4..d3fe5ee72f6be06c2b6b020845a1f0f8489f57b4 100644
--- a/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
+++ b/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
@@ -153,6 +153,12 @@ void BookmarkSuggestionsProvider::FetchSuggestionImage(
       FROM_HERE, base::Bind(callback, gfx::Image()));
 }
 
+void BookmarkSuggestionsProvider::FetchMore(
+    const Category& category,
+    const FetchedMoreCallback& callback) {
+  NOTREACHED();
+}
+
 void BookmarkSuggestionsProvider::ClearHistory(
     base::Time begin,
     base::Time end,