Added policy for disabling locally managed users.

chrome/browser/chromeos/login/user_manager_impl.h

Index: chrome/browser/chromeos/login/user_manager_impl.h
diff --git a/chrome/browser/chromeos/login/user_manager_impl.h b/chrome/browser/chromeos/login/user_manager_impl.h
index 63be8224afa40ed38392a255e27c2a336d8176bf..9c94fd2ffb9e30526ff03ed1b88d3114f9b88e52 100644
--- a/chrome/browser/chromeos/login/user_manager_impl.h
+++ b/chrome/browser/chromeos/login/user_manager_impl.h
@@ -134,6 +134,7 @@ class UserManagerImpl
   virtual void SetAppModeChromeClientOAuthInfo(
       const std::string& chrome_client_id,
       const std::string& chrome_client_secret) OVERRIDE;
+  virtual bool AreLocallyManagedUsersAllowed() const OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
@@ -357,6 +358,11 @@ class UserManagerImpl
   // policy yet.
   bool ephemeral_users_enabled_;
 
+  // Cached flag indicating whether the locally managed users enabled by policy.

[Bernhard Bauer, 2013/06/21 11:59:25]

Nit: This sentence doesn't parse. I think you want to write "[...] whether
locally managed users are enabled [...]"?

[dzhioev (left Google), 2013/06/21 16:48:17]

Done.

+  // Defaults to |false| if the value has not been read from trusted device
+  // policy yet.
+  bool locally_managed_users_enabled_by_policy_;
+
   // Merge session state (cookie restore process state).
   MergeSessionState merge_session_state_;