Remove usage of FOR_EACH_OBSERVER macro in components/history

components/history/core/browser/web_history_service.cc

Index: components/history/core/browser/web_history_service.cc
diff --git a/components/history/core/browser/web_history_service.cc b/components/history/core/browser/web_history_service.cc
index 35d97b85957559f9ce58aefca4d678ebdef09449..f4c43429ec6ffdfe21934b1d8ee4b085ea903b28 100644
--- a/components/history/core/browser/web_history_service.cc
+++ b/components/history/core/browser/web_history_service.cc
@@ -567,8 +567,8 @@ void WebHistoryService::ExpireHistoryCompletionCallback(
 
   // Inform the observers about the history deletion.
   if (response_value.get() && success) {
-    FOR_EACH_OBSERVER(WebHistoryServiceObserver, observer_list_,
-                      OnWebHistoryDeleted());
+    for (WebHistoryServiceObserver& observer : observer_list_)
+      observer.OnWebHistoryDeleted();
   }
 }