Disables user manager actions only if there is at least one regular profile and they're all locked.

chrome/browser/profiles/profiles_state.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_PROFILES_PROFILES_STATE_H_
 #define CHROME_BROWSER_PROFILES_PROFILES_STATE_H_
 
 #include <string>
 #include <vector>
 #include "base/strings/string16.h"
@@ skipping 86 matching lines @@
 void SetFastUserSwitchingTutorialDismissedState(bool dismissed);
 
 // Returns true if the right-click user switching tutorial was previously
 // dismissed by a user, false otherwise.
 bool GetFastUserSwitchingTutorialDismissedState();
 
 // Sets the last used profile pref to |profile_dir|, unless |profile_dir| is the
 // System Profile directory, which is an invalid last used profile.
 void SetLastUsedProfile(const std::string& profile_dir);
 
-// Returns true if all non-supervised and non-child profiles are locked.
-bool AreAllProfilesLocked();
+// Returns true if there exists at least one non-supervised or non-child profile
+// and they are all locked.
+bool AreAllNonChildNonSupervisedProfilesLocked();
 
 }  // namespace profiles
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILES_STATE_H_