Lazy-creates BluetoothAdapter in ExtensionBluetoothEventRouter (EBEE).

chrome/chrome_tests_unit.gypi

 # 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 348 matching lines @@
         '../ppapi/ppapi_internal.gyp:ppapi_unittest_shared',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         'test_support_common',
         '../sync/sync.gyp:test_support_sync',
         '../sync/sync.gyp:test_support_sync_notifier',
         '../sync/sync.gyp:test_support_syncapi_core',
         '../sync/sync.gyp:test_support_syncapi_service',
         'test_support_unit',
         # 3) anything tests directly depend on
+        '../device/device.gyp:device_bluetooth_mocks',
         '../google_apis/google_apis.gyp:google_apis',
         '../skia/skia.gyp:skia',
         '../third_party/bzip2/bzip2.gyp:bzip2',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
         '../third_party/cld/cld.gyp:cld',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../third_party/libjingle/libjingle.gyp:libjingle',
         '../third_party/libxml/libxml.gyp:libxml',
@@ skipping 289 matching lines @@
         'browser/extensions/api/web_request/upload_data_presenter_unittest.cc',
         'browser/extensions/api/web_request/web_request_api_unittest.cc',
         'browser/extensions/api/web_request/web_request_permissions_unittest.cc',
         'browser/extensions/api/web_request/web_request_time_tracker_unittest.cc',
         'browser/extensions/app_notification_manager_sync_unittest.cc',
         'browser/extensions/app_notification_manager_unittest.cc',
         'browser/extensions/app_notification_storage_unittest.cc',
         'browser/extensions/app_notification_test_util.cc',
         'browser/extensions/app_notify_channel_setup_unittest.cc',
         'browser/extensions/app_sync_data_unittest.cc',
+        'browser/extensions/bluetooth_event_router_unittest.cc',
         'browser/extensions/component_loader_unittest.cc',
         'browser/extensions/convert_user_script_unittest.cc',
         'browser/extensions/convert_web_app_unittest.cc',
         'browser/extensions/default_apps_unittest.cc',
         'browser/extensions/event_listener_map_unittest.cc',
         'browser/extensions/event_router_forwarder_unittest.cc',
         'browser/extensions/extension_action_icon_factory_unittest.cc',
         'browser/extensions/extension_action_unittest.cc',
         'browser/extensions/extension_context_menu_model_unittest.cc',
         'browser/extensions/extension_creator_filter_unittest.cc',
@@ skipping 944 matching lines @@
         ['target_arch!="arm"', {
           'dependencies': [
             # build time dependency.
             '../v8/tools/gyp/v8.gyp:v8_shell#host',
           ],
         }],
         ['enable_extensions==0', {
           'sources/': [
             ['exclude', '^browser/extensions/api/'],
             ['exclude', '^browser/sync/glue/chrome_extensions_activity_monitor_unittest.cc'],
+            ['exclude', '^browser/extensions/bluetooth_event_router_unittest.cc'],
           ],
         }],
         ['use_ash==1', {
           'sources': [
             'browser/ui/app_list/apps_model_builder_unittest.cc',
           ],
           'dependencies': [
             '../ash/ash.gyp:ash_resources',
           ],
           # We eventually want to compile both in Win Aura builds, see
@@ skipping 549 matching lines @@
             'unit_tests.isolate',
           ],
           'sources': [
             'unit_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }