Initial implementation of FeatureList in base/.

base/base.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,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 218 matching lines @@
         'message_loop/message_pump_android.cc',
         'message_loop/message_pump_android.h',
         'message_loop/message_pump_glib.cc',
         'message_loop/message_pump_glib.h',
         'message_loop/message_pump_io_ios.cc',
         'message_loop/message_pump_io_ios.h',
         'message_loop/message_pump_libevent.cc',
         'message_loop/message_pump_libevent.h',
         'message_loop/message_pump_mac.h',
         'message_loop/message_pump_mac.mm',
+        'metrics/feature_list.cc',
+        'metrics/feature_list.h',
         'metrics/field_trial.cc',
         'metrics/field_trial.h',
         'posix/file_descriptor_shuffle.cc',
         'posix/file_descriptor_shuffle.h',
         'sync_socket.h',
         'sync_socket_posix.cc',
         'sync_socket_win.cc',
         'third_party/xdg_user_dirs/xdg_user_dir_lookup.cc',
         'third_party/xdg_user_dirs/xdg_user_dir_lookup.h',
       ],
@@ skipping 280 matching lines @@
         'memory/shared_memory_unittest.cc',
         'memory/singleton_unittest.cc',
         'memory/weak_ptr_unittest.cc',
         'memory/weak_ptr_unittest.nc',
         'message_loop/message_loop_task_runner_unittest.cc',
         'message_loop/message_loop_unittest.cc',
         'message_loop/message_pump_glib_unittest.cc',
         'message_loop/message_pump_io_ios_unittest.cc',
         'message_loop/message_pump_libevent_unittest.cc',
         'metrics/bucket_ranges_unittest.cc',
+        'metrics/feature_list_unittest.cc',
         'metrics/field_trial_unittest.cc',
         'metrics/histogram_base_unittest.cc',
         'metrics/histogram_delta_serialization_unittest.cc',
         'metrics/histogram_macros_unittest.cc',
         'metrics/histogram_snapshot_manager_unittest.cc',
         'metrics/histogram_unittest.cc',
         'metrics/sample_map_unittest.cc',
         'metrics/sample_vector_unittest.cc',
         'metrics/sparse_histogram_unittest.cc',
         'metrics/statistics_recorder_unittest.cc',
@@ skipping 634 matching lines @@
             'async_socket_io_handler.h',
             'async_socket_io_handler_posix.cc',
             'async_socket_io_handler_win.cc',
             'auto_reset.h',
             'linux_util.cc',
             'linux_util.h',
             'md5.cc',
             'md5.h',
             'message_loop/message_pump_libevent.cc',
             'message_loop/message_pump_libevent.h',
+            'metrics/feature_list.cc',
+            'metrics/feature_list.h',
             'metrics/field_trial.cc',
             'metrics/field_trial.h',
             'posix/file_descriptor_shuffle.cc',
             'posix/file_descriptor_shuffle.h',
             'sync_socket.h',
             'sync_socket_posix.cc',
             'sync_socket_win.cc',
             'third_party/xdg_user_dirs/xdg_user_dir_lookup.cc',
             'third_party/xdg_user_dirs/xdg_user_dir_lookup.h',
           ],
@@ skipping 435 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'base_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }