Refactoring after comments in https://codereview.chromium.org/2639153002

chrome/browser/search_engines/template_url_service_test_util.h

Index: chrome/browser/search_engines/template_url_service_test_util.h
diff --git a/chrome/browser/search_engines/template_url_service_test_util.h b/chrome/browser/search_engines/template_url_service_test_util.h
index 072478ae59a7a312118b50634d15c51686edc76f..56d7984793b3b431f46605d8e47ecbe03ce01b9b 100644
--- a/chrome/browser/search_engines/template_url_service_test_util.h
+++ b/chrome/browser/search_engines/template_url_service_test_util.h
@@ -70,10 +70,7 @@ class TemplateURLServiceTestUtil : public TemplateURLServiceObserver {
   // search pref in an extension controlled preferences, if extension wants to
   // be default.
   TemplateURL* AddExtensionControlledTURL(
-      std::unique_ptr<TemplateURL> extension_turl,
-      const std::string& extension_id,
-      bool wants_to_be_default,
-      base::Time install_time = base::Time());
+      std::unique_ptr<TemplateURL> extension_turl);
 
   // Removes a TemplateURL controlled by |extension_id| from the model, and,
   // if necessary, from the extension-controlled default search preference.