Support action button to fetch more content suggestions

components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc

Index: components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
diff --git a/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc b/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
index ee8a25484f9aa172a3904d64b6e5d2d666c62368..344cba734b9268152cc968eaa6eb54439e1929f4 100644
--- a/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
+++ b/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
@@ -57,7 +57,11 @@ CategoryInfo OfflinePageSuggestionsProvider::GetCategoryInfo(
     Category category) {
   // TODO(pke): Use the proper string once it's agreed on.
   return CategoryInfo(base::ASCIIToUTF16("Offline pages"),
-                      ContentSuggestionsCardLayout::MINIMAL_CARD);
+                      ContentSuggestionsCardLayout::MINIMAL_CARD, false);
+}
+
+void OfflinePageSuggestionsProvider::FetchMoreSuggestions(Category category) {
+  // Ignored.
 }
 
 void OfflinePageSuggestionsProvider::DismissSuggestion(