Updated SessionManagerClient to use the multi-profile user policy calls.

chromeos/dbus/cryptohome_client.h

Index: chromeos/dbus/cryptohome_client.h
diff --git a/chromeos/dbus/cryptohome_client.h b/chromeos/dbus/cryptohome_client.h
index 69eb86ffc59f771f715e7c13ef2039c192c5b2f6..1676e5d6a93ad819fe0e659e0f4d7c9ce2eb4af8 100644
--- a/chromeos/dbus/cryptohome_client.h
+++ b/chromeos/dbus/cryptohome_client.h
@@ -55,6 +55,9 @@ class CHROMEOS_EXPORT CryptohomeClient {
   static CryptohomeClient* Create(DBusClientImplementationType type,
                                   dbus::Bus* bus);
 
+  // Returns the sanitized |username| that the stub implementation would return.
+  static std::string GetStubSanitizedUsername(const std::string& username);
+
   // Sets AsyncCallStatus signal handlers.
   // |handler| is called when results for AsyncXXX methods are returned.
   // Cryptohome service will process the calls in a first-in-first-out manner