[Content suggestions] Implement fetching publishers' favicons

components/ntp_snippets/content_suggestions_service_unittest.cc

Index: components/ntp_snippets/content_suggestions_service_unittest.cc
diff --git a/components/ntp_snippets/content_suggestions_service_unittest.cc b/components/ntp_snippets/content_suggestions_service_unittest.cc
index ccab94963ffa9cf964dadc5dd17fe5378f5e1222..498809a6f587c9be76f82830911cefdcf51339d6 100644
--- a/components/ntp_snippets/content_suggestions_service_unittest.cc
+++ b/components/ntp_snippets/content_suggestions_service_unittest.cc
@@ -154,8 +154,9 @@ class ContentSuggestionsServiceTest : public testing::Test {
 
     service_ = base::MakeUnique<ContentSuggestionsService>(
         enabled, /*signin_manager=*/nullptr, /*history_service=*/nullptr,
-        pref_service_.get(), std::move(category_ranker_),
-        std::move(user_classifier), /*scheduler=*/nullptr);
+        /*large_icon_service=*/nullptr, pref_service_.get(),
+        std::move(category_ranker_), std::move(user_classifier),
+        /*scheduler=*/nullptr);
   }
 
   void ResetService() {