Reduce usage of FOR_EACH_OBSERVER macro in content/browser

content/browser/appcache/appcache_group.cc

 // Copyright (c) 2012 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 "content/browser/appcache/appcache_group.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 242 matching lines @@
 
   if (status != IDLE) {
     DCHECK(update_job_);
   } else {
     update_job_ = NULL;
 
     // Observers may release us in these callbacks, so we protect against
     // deletion by adding an extra ref in this scope (but only if we're not
     // in our destructor).
     scoped_refptr<AppCacheGroup> protect(is_in_dtor_ ? NULL : this);
-    FOR_EACH_OBSERVER(UpdateObserver, observers_, OnUpdateComplete(this));
+    for (auto& observer : observers_)
+      observer.OnUpdateComplete(this);
     if (!queued_updates_.empty())
       ScheduleUpdateRestart(kUpdateRestartDelayMs);
   }
 }
 
 }  // namespace content