[Remote suggestions] Get favicon URLs from archive

components/ntp_snippets/remote/remote_suggestions_provider.h

Index: components/ntp_snippets/remote/remote_suggestions_provider.h
diff --git a/components/ntp_snippets/remote/remote_suggestions_provider.h b/components/ntp_snippets/remote/remote_suggestions_provider.h
index 8a6e4f89a36836058079e5bbe17027d9ed42e660..5e94b8a9db6b3b904f20d5505a3605ccf0da5e43 100644
--- a/components/ntp_snippets/remote/remote_suggestions_provider.h
+++ b/components/ntp_snippets/remote/remote_suggestions_provider.h
@@ -37,6 +37,10 @@ class RemoteSuggestionsProvider : public ContentSuggestionsProvider {
   virtual const RemoteSuggestionsFetcher* suggestions_fetcher_for_debugging()
       const = 0;
 
+  // Get the url with favicon for the suggestion.
+  virtual GURL GetUrlWithFavicon(
+      const ContentSuggestion::ID& suggestion_id) const = 0;
+
  protected:
   RemoteSuggestionsProvider(Observer* observer);
 };