[NTP Snippets] FetchMore backend

components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc

Index: components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
diff --git a/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc b/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
index f1f30982be07637a35f3f0591c9538c9f48bf29f..b00c2c40ec6a97ec934b12fac8e58545da766b65 100644
--- a/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
+++ b/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
@@ -91,6 +91,12 @@ void PhysicalWebPageSuggestionsProvider::FetchSuggestionImage(
       FROM_HERE, base::Bind(callback, gfx::Image()));
 }
 
+void PhysicalWebPageSuggestionsProvider::FetchMore(
+    const Category& category,
+    FetchedMoreCallback callback) {
+  // Ignored.
+}
+
 void PhysicalWebPageSuggestionsProvider::ClearHistory(
     base::Time begin,
     base::Time end,