Rename "managed (mode|user)" to "supervised user" (part 2)

chrome/browser/supervised_user/supervised_user_sync_service_observer.h

 // 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.
 
-#ifndef CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_SYNC_SERVICE_OBSERVER_H_
-#define CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_SYNC_SERVICE_OBSERVER_H_
+#ifndef CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SYNC_SERVICE_OBSERVER_H_
+#define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SYNC_SERVICE_OBSERVER_H_
 
-class ManagedUserSyncServiceObserver {
+class SupervisedUserSyncServiceObserver {
  public:
   // Called when the Sync server has acknowledged a newly
-  // created managed user.
-  virtual void OnManagedUserAcknowledged(
-      const std::string& managed_user_id) = 0;
+  // created supervised user.
+  virtual void OnSupervisedUserAcknowledged(
+      const std::string& supervised_user_id) = 0;
 
-  virtual void OnManagedUsersSyncingStopped() = 0;
+  virtual void OnSupervisedUsersSyncingStopped() = 0;
 
-  virtual void OnManagedUsersChanged() = 0;
+  virtual void OnSupervisedUsersChanged() = 0;
 
  protected:
-  virtual ~ManagedUserSyncServiceObserver() {}
+  virtual ~SupervisedUserSyncServiceObserver() {}
 };
 
-#endif  // CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_SYNC_SERVICE_OBSERVER_H_
+#endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SYNC_SERVICE_OBSERVER_H_