Add data pipe wrappers to be used to implement serial receive.

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 29 matching lines @@
         'bluetooth/bluetooth_task_manager_win_unittest.cc',
         'bluetooth/bluetooth_uuid_unittest.cc',
         'nfc/nfc_chromeos_unittest.cc',
         'nfc/nfc_ndef_record_unittest.cc',
         'usb/usb_ids_unittest.cc',
         'usb/usb_service_unittest.cc',
         'hid/hid_connection_unittest.cc',
         'hid/hid_report_descriptor_unittest.cc',
         'hid/hid_service_unittest.cc',
         'hid/input_service_linux_unittest.cc',
+        'serial/data_source_unittest.cc',
         'serial/serial_connection_unittest.cc',
         'serial/serial_service_unittest.cc',
         'test/run_all_unittests.cc',
         'test/usb_test_gadget_impl.cc'
       ],
       'conditions': [
         ['chromeos==1', {
           'dependencies': [
             '../build/linux/system.gyp:dbus',
             '../chromeos/chromeos.gyp:chromeos_test_support',
@@ skipping 24 matching lines @@
             'hid/hid.gyp:device_hid',
           ],
           'sources/': [
             ['exclude', '^hid/'],
           ],
         }],
       ],
     },
   ],
 }