Remove FOR_EACH_OBSERVER macro usage in chrome/browser/ui

chrome/browser/ui/ash/system_tray_delegate_chromeos.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/ui/ash/system_tray_delegate_chromeos.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 1042 matching lines @@
 }
 
 // Overridden from extensions::AppWindowRegistry::Observer.
 void SystemTrayDelegateChromeOS::OnAppWindowRemoved(
     extensions::AppWindow* app_window) {
   NotifyIfLastWindowClosed();
 }
 
 // Overridden from SupervisedUserServiceObserver.
 void SystemTrayDelegateChromeOS::OnCustodianInfoChanged() {
-  FOR_EACH_OBSERVER(
-      ash::CustodianInfoTrayObserver, custodian_info_changed_observers_,
-      OnCustodianInfoChanged());
+  for (ash::CustodianInfoTrayObserver& observer :
+       custodian_info_changed_observers_) {
+    observer.OnCustodianInfoChanged();
+  }
 }
 
 void SystemTrayDelegateChromeOS::OnAccessibilityStatusChanged(
     const AccessibilityStatusEventDetails& details) {
   if (details.notification_type == ACCESSIBILITY_MANAGER_SHUTDOWN)
     accessibility_subscription_.reset();
   else
     OnAccessibilityModeChanged(details.notify);
 }
 
 void SystemTrayDelegateChromeOS::OnShutdownPolicyChanged(
     bool reboot_on_shutdown) {
   // Notify all observers.
-  FOR_EACH_OBSERVER(ash::ShutdownPolicyObserver, shutdown_policy_observers_,
-                    OnShutdownPolicyChanged(reboot_on_shutdown));
+  for (ash::ShutdownPolicyObserver& observer : shutdown_policy_observers_)
+    observer.OnShutdownPolicyChanged(reboot_on_shutdown);
 }
 
 void SystemTrayDelegateChromeOS::ImeMenuActivationChanged(bool is_active) {
   GetSystemTrayNotifier()->NotifyRefreshIMEMenu(is_active);
 }
 
 void SystemTrayDelegateChromeOS::ImeMenuListChanged() {}
 
 void SystemTrayDelegateChromeOS::ImeMenuItemsChanged(
     const std::string& engine_id,
@@ skipping 32 matching lines @@
   LOG(WARNING) << "SystemTrayDelegateChromeOS::GetChildUserMessage call while "
                << "ENABLE_SUPERVISED_USERS undefined.";
   return base::string16();
 }
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new SystemTrayDelegateChromeOS();
 }
 
 }  // namespace chromeos