Move OnURLsDeleted from NTPSnippetsService to ContentSuggestionsService

components/ntp_snippets/content_suggestions_service.cc

Index: components/ntp_snippets/content_suggestions_service.cc
diff --git a/components/ntp_snippets/content_suggestions_service.cc b/components/ntp_snippets/content_suggestions_service.cc
index 2f3cd6d9f9a7d4baa700303fb80ea41af243e10e..7ae893d6ae1dc7bcccbbf423d403561ec6eac5c7 100644
--- a/components/ntp_snippets/content_suggestions_service.cc
+++ b/components/ntp_snippets/content_suggestions_service.cc
@@ -227,6 +227,13 @@ void ContentSuggestionsService::OnSuggestionInvalidated(
                     OnSuggestionInvalidated(category, suggestion_id));
 }
 
+void ContentSuggestionsService::OnURLsDeleted(
+    history::HistoryService* history_service,
+    bool all_history,
+    bool expired,
+    const history::URLRows& deleted_rows,
+    const std::set<GURL>& favicon_urls) {}
+
 bool ContentSuggestionsService::RegisterCategoryIfRequired(
     ContentSuggestionsProvider* provider,
     Category category) {