Extract //device/usb mocks so that they can be shared.

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': [
     {
       'target_name': 'device_unittests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         '../base/base.gyp:test_support_base',
         '../mojo/mojo_base.gyp:mojo_environment_chromium',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/mojo/mojo_edk.gyp:mojo_system_impl',
         '../third_party/mojo/mojo_public.gyp:mojo_cpp_bindings',
         '../tools/usb_gadget/usb_gadget.gyp:usb_gadget',
         'battery/battery.gyp:device_battery',
         'battery/battery.gyp:device_battery_mojo_bindings',
         'bluetooth/bluetooth.gyp:device_bluetooth',
         'bluetooth/bluetooth.gyp:device_bluetooth_mocks',
         'nfc/nfc.gyp:device_nfc',
         'usb/usb.gyp:device_usb',
+        'usb/usb.gyp:device_usb_mocks',
         'hid/hid.gyp:device_hid',
         'serial/serial.gyp:device_serial',
         'serial/serial.gyp:device_serial_test_util',
       ],
       'sources': [
         'battery/battery_status_manager_linux_unittest.cc',
         'battery/battery_status_manager_win_unittest.cc',
         'battery/battery_status_service_unittest.cc',
         'bluetooth/bluetooth_adapter_android_unittest.cc',
         'bluetooth/bluetooth_adapter_mac_unittest.mm',
@@ skipping 43 matching lines @@
             '../dbus/dbus.gyp:dbus',
           ],
           'sources!': [
             'battery/battery_status_manager_linux_unittest.cc',
           ],
         }],
         ['OS=="android"', {
           'dependencies!': [
             '../tools/usb_gadget/usb_gadget.gyp:usb_gadget',
             'usb/usb.gyp:device_usb',
+            'usb/usb.gyp:device_usb_mocks',
             'serial/serial.gyp:device_serial',
             'serial/serial.gyp:device_serial_test_util',
             'hid/hid.gyp:device_hid',
           ],
           'dependencies': [
             'bluetooth/bluetooth.gyp:device_bluetooth_java',
             '../testing/android/native_test.gyp:native_test_native_code',
           ],
           'sources/': [
             ['exclude', '(^|/)hid'],
@@ skipping 57 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'device_unittests',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }