Manage UsbService lifetime in DeviceClient implementations.

device/device_tests.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,
   },
   'targets': [
     {
@@ skipping 57 matching lines @@
         'hid/test_report_descriptors.cc',
         'hid/test_report_descriptors.h',
         'nfc/nfc_chromeos_unittest.cc',
         'nfc/nfc_ndef_record_unittest.cc',
         'serial/data_sink_unittest.cc',
         'serial/data_source_unittest.cc',
         'serial/serial_connection_unittest.cc',
         "serial/serial_io_handler_posix_unittest.cc",
         'serial/serial_service_unittest.cc',
         'test/run_all_unittests.cc',
+        'test/test_device_client.cc',
+        'test/test_device_client.h',
         'test/usb_test_gadget_impl.cc',
         'usb/usb_context_unittest.cc',
         'usb/usb_descriptors_unittest.cc',
         'usb/usb_device_filter_unittest.cc',
         'usb/usb_device_handle_unittest.cc',
         'usb/usb_ids_unittest.cc',
         'usb/usb_service_unittest.cc',
         'usb/webusb_descriptors_unittest.cc',
       ],
       'conditions': [
@@ skipping 21 matching lines @@
           'dependencies': [
             '../testing/android/native_test.gyp:native_test_native_code',
             'device_bluetooth_test_java',
             'device_bluetooth_test_jni_headers',
           ],
           'sources/': [
             ['exclude', '(^|/)hid'],
             ['exclude', '(^|/)serial'],
             ['exclude', '(^|/)usb'],
           ],
+          'sources!': [
+            'test/test_device_client.cc',
+            'test/test_device_client.h',
+          ],
         }],
         ['OS=="mac"', {
           'dependencies': [
             '../third_party/ocmock/ocmock.gyp:ocmock',
           ],
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/IOBluetooth.framework',
             ],
           },
@@ skipping 91 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'device_unittests.isolate',
           ]
         }
       ]
     }]
   ],
 }