Check use_dbus==1 when compiling dbus dependent bluetooth unittests

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 78 matching lines @@
       'conditions': [
         ['chromeos==1', {
           'dependencies': [
             '../chromeos/chromeos.gyp:chromeos_test_support',
             '../chromeos/chromeos.gyp:chromeos_test_support_without_gmock',
           ],
           'sources!': [
             'battery/battery_status_manager_linux_unittest.cc',
           ],
         }],
-        ['chromeos==1 or OS=="linux"', {
+        ['(chromeos==1 or OS=="linux") and use_dbus==1', {
           'dependencies': [
             '../build/linux/system.gyp:dbus',
             '../dbus/dbus.gyp:dbus',
           ],
           'sources': [
             'bluetooth/bluetooth_adapter_profile_bluez_unittest.cc',
             'bluetooth/bluetooth_advertisement_bluez_unittest.cc',
             'bluetooth/bluetooth_audio_sink_bluez_unittest.cc',
             'bluetooth/bluetooth_bluez_unittest.cc',
             'bluetooth/bluetooth_gatt_bluez_unittest.cc',
@@ skipping 143 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'device_unittests.isolate',
           ]
         }
       ]
     }]
   ],
 }