Move LazyBackgroundTaskQueueTest into extensions_unittests

extensions/extensions.gyp

 # Copyright 2013 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 794 matching lines @@
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         'extensions_common',
         'extensions_renderer',
         'extensions_resources.gyp:extensions_resources',
         'extensions_shell_and_test_pak',
         'extensions_strings.gyp:extensions_strings',
         'extensions_test_support',
       ],
       'sources': [
+        'browser/lazy_background_task_queue_unittest.cc',
         'browser/process_manager_unittest.cc',
         'common/api/sockets/sockets_manifest_permission_unittest.cc',
         'common/csp_validator_unittest.cc',
         'common/event_filter_unittest.cc',
         'common/id_util_unittest.cc',
         'common/one_shot_event_unittest.cc',
         'common/permissions/manifest_permission_set_unittest.cc',
         'common/user_script_unittest.cc',
         'renderer/api/serial/serial_api_unittest.cc',
         'renderer/api_test_base.cc',
@@ skipping 30 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/api/cast_channel/cast_channel.proto' ],
       'variables': {
           'proto_in_dir': 'browser/api/cast_channel',
           'proto_out_dir': 'extensions/browser/api/cast_channel',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ]
 }