9 targets are not compiled.

#      'target_name': 'mock_background',
#      'target_name': 'mock_file_operation_manager',
#      'target_name': 'mock_media_scanner',
#      'target_name': 'mock_progress_center',
#      'target_name': 'mock_volume_manager',
#      'target_name': 'test_duplicate_finder',
#      'target_name': 'test_import_history',
#      'target_name': 'test_util',
#      'target_name': 'test_util_base',