Reduce usage of FOR_EACH_OBSERVER macro in components/

components/search_engines/template_url_service.cc

Index: components/search_engines/template_url_service.cc
diff --git a/components/search_engines/template_url_service.cc b/components/search_engines/template_url_service.cc
index d6c5cb961be4cf81e03469fd083436ccfed0ca6d..c7d94214638d59cf9e716396ed8bb491b5510b1a 100644
--- a/components/search_engines/template_url_service.cc
+++ b/components/search_engines/template_url_service.cc
@@ -2115,8 +2115,8 @@ void TemplateURLService::NotifyObservers() {
   if (!loaded_)
     return;
 
-  FOR_EACH_OBSERVER(TemplateURLServiceObserver, model_observers_,
-                    OnTemplateURLServiceChanged());
+  for (auto& observer : model_observers_)
+    observer.OnTemplateURLServiceChanged();
 }
 
 // |template_urls| are the TemplateURLs loaded from the database.