Replace FOR_EACH_OBSERVER in c/b/chromeos with range-based for

chrome/browser/chromeos/options/cert_library.cc

 // Copyright 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 "chrome/browser/chromeos/options/cert_library.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/i18n/string_compare.h"
@@ skipping 232 matching lines @@
   std::sort(user_certs_.begin(), user_certs_.end(), cert_name_comparator);
   std::sort(server_certs_.begin(), server_certs_.end(), cert_name_comparator);
   std::sort(server_ca_certs_.begin(), server_ca_certs_.end(),
             cert_name_comparator);
 
   VLOG(1) << "certs_: " << certs_.size();
   VLOG(1) << "user_certs_: " << user_certs_.size();
   VLOG(1) << "server_certs_: " << server_certs_.size();
   VLOG(1) << "server_ca_certs_: " << server_ca_certs_.size();
 
-  FOR_EACH_OBSERVER(CertLibrary::Observer, observer_list_,
-                    OnCertificatesLoaded(initial_load));
+  for (auto& observer : observer_list_)
+    observer.OnCertificatesLoaded(initial_load);
 }
 
 net::X509Certificate* CertLibrary::GetCertificateAt(CertType type,
                                                     int index) const {
   const net::CertificateList& cert_list = GetCertificateListForType(type);
   DCHECK_GE(index, 0);
   DCHECK_LT(index, static_cast<int>(cert_list.size()));
   return cert_list[index].get();
 }
 
 const net::CertificateList& CertLibrary::GetCertificateListForType(
     CertType type) const {
   if (type == CERT_TYPE_USER)
     return user_certs_;
   if (type == CERT_TYPE_SERVER)
     return server_certs_;
   if (type == CERT_TYPE_SERVER_CA)
     return server_ca_certs_;
   DCHECK(type == CERT_TYPE_DEFAULT);
   return certs_;
 }
 
 }  // namespace chromeos