[Smart Lock] Extract the screenlock state to the proximity_auth component.

components/proximity_auth.gypi

 # Copyright 2014 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.
 
 {
   'targets': [
     {
       # GN version: //components/proximity_auth and
       # //components/proximity_auth/ble.
       'target_name': 'proximity_auth',
@@ skipping 29 matching lines @@
         "proximity_auth/connection_finder.h",
         "proximity_auth/connection_observer.h",
         "proximity_auth/proximity_auth_client.h",
         "proximity_auth/proximity_auth_system.cc",
         "proximity_auth/proximity_auth_system.h",
         "proximity_auth/remote_device.h",
         "proximity_auth/remote_status_update.cc",
         "proximity_auth/remote_status_update.h",
         "proximity_auth/screenlock_bridge.cc",
         "proximity_auth/screenlock_bridge.h",
+        "proximity_auth/screenlock_state.h",
         "proximity_auth/secure_context.h",
         "proximity_auth/switches.cc",
         "proximity_auth/switches.h",
         "proximity_auth/throttled_bluetooth_connection_finder.cc",
         "proximity_auth/throttled_bluetooth_connection_finder.h",
         "proximity_auth/wire_message.cc",
         "proximity_auth/wire_message.h",
       ],
     },
     {
@@ skipping 84 matching lines @@
         'proximity_auth/webui/proximity_auth_ui.cc',
         'proximity_auth/webui/proximity_auth_ui.h',
         'proximity_auth/webui/proximity_auth_webui_handler.cc',
         'proximity_auth/webui/proximity_auth_webui_handler.h',
         'proximity_auth/webui/url_constants.cc',
         'proximity_auth/webui/url_constants.h',
       ],
     },
   ],
 }