Remove usage of FOR_EACH_OBSERVER macro in components/

components/cronet/android/cronet_in_memory_pref_store.cc

 // Copyright 2015 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/cronet/android/cronet_in_memory_pref_store.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/values.h"
@@ skipping 61 matching lines @@
 PersistentPrefStore::PrefReadError CronetInMemoryPrefStore::ReadPrefs() {
   return PersistentPrefStore::PREF_READ_ERROR_NONE;
 }
 
 void CronetInMemoryPrefStore::ReadPrefsAsync(
     ReadErrorDelegate* error_delegate_raw) {
 }
 
 void CronetInMemoryPrefStore::ReportValueChanged(const std::string& key,
                                                  uint32_t flags) {
-  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
+  for (Observer& observer : observers_)
+    observer.OnPrefValueChanged(key);
 }