Check USB device path access when prompting users to select a device.

chromeos/chromeos.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # These files lists are shared with the GN build.
     'chromeos_sources': [
       'accelerometer/accelerometer_reader.cc',
@@ skipping 561 matching lines @@
         'chromeos_test_utils.cc',
         'chromeos_test_utils.h',
         'cryptohome/mock_async_method_caller.cc',
         'cryptohome/mock_async_method_caller.h',
         'cryptohome/mock_homedir_methods.cc',
         'cryptohome/mock_homedir_methods.h',
         'dbus/mock_cryptohome_client.cc',
         'dbus/mock_cryptohome_client.h',
         'dbus/mock_lorgnette_manager_client.cc',
         'dbus/mock_lorgnette_manager_client.h',
+        'dbus/mock_permission_broker_client.cc',
+        'dbus/mock_permission_broker_client.h',
         'dbus/mock_session_manager_client.cc',
         'dbus/mock_session_manager_client.h',
         'dbus/mock_shill_manager_client.cc',
         'dbus/mock_shill_manager_client.h',
         'dbus/mock_shill_profile_client.cc',
         'dbus/mock_shill_profile_client.h',
         'dbus/mock_shill_service_client.cc',
         'dbus/mock_shill_service_client.h',
         'dbus/services/service_provider_test_helper.cc',
         'dbus/services/service_provider_test_helper.h',
@@ skipping 130 matching lines @@
         '../third_party/cros_system_api/dbus/cryptohome/signed_secret.proto',
       ],
       'variables': {
         'proto_in_dir': '../third_party/cros_system_api/dbus/cryptohome',
         'proto_out_dir': 'chromeos/cryptohome',
       },
       'includes': ['../build/protoc.gypi'],
     },
   ],
 }