Create Mojo Struct for user information used in login/lock screen.

components/proximity_auth/unlock_manager.h

 // Copyright 2015 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 COMPONENTS_PROXIMITY_AUTH_UNLOCK_MANAGER_H
 #define COMPONENTS_PROXIMITY_AUTH_UNLOCK_MANAGER_H
 
 #include "components/proximity_auth/screenlock_bridge.h"
 
 namespace proximity_auth {
@@ skipping 13 matching lines @@
   // dispatched. A null |life_cycle| indicates that proximity-based
   // authentication is inactive.
   virtual void SetRemoteDeviceLifeCycle(RemoteDeviceLifeCycle* life_cycle) = 0;
 
   // Called when the life cycle's state changes.
   virtual void OnLifeCycleStateChanged() = 0;
 
   // Called when the user pod is clicked for an authentication attempt of type
   // |auth_type|.
   // Exposed for testing.
-  virtual void OnAuthAttempted(
-      ScreenlockBridge::LockHandler::AuthType auth_type) = 0;
+  virtual void OnAuthAttempted(mojom::AuthType auth_type) = 0;
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_UNLOCK_MANAGER_H