Remove usage of FOR_EACH_OBSERVER macro in components/history

components/history/core/browser/top_sites.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/history/core/browser/top_sites.h"
 
 #include "components/history/core/browser/top_sites_observer.h"
 
 namespace history {
 
@@ skipping 21 matching lines @@
 
 void TopSites::AddObserver(TopSitesObserver* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void TopSites::RemoveObserver(TopSitesObserver* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 void TopSites::NotifyTopSitesLoaded() {
-  FOR_EACH_OBSERVER(TopSitesObserver, observer_list_, TopSitesLoaded(this));
+  for (TopSitesObserver& observer : observer_list_)
+    observer.TopSitesLoaded(this);
 }
 
 void TopSites::NotifyTopSitesChanged(
     const TopSitesObserver::ChangeReason reason) {
-  FOR_EACH_OBSERVER(TopSitesObserver, observer_list_,
-                    TopSitesChanged(this, reason));
+  for (TopSitesObserver& observer : observer_list_)
+    observer.TopSitesChanged(this, reason);
 }
 
 }  // namespace history