[Sync] Generalize StringOrdinal to handle ordinal_in_parent field

sync/sync.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': [
     # The core sync library.
@@ skipping 28 matching lines @@
         'protocol/sync_proto.gyp:sync_proto',
       ],
       'sources': [
         'base/sync_export.h',
         'internal_api/public/base/enum_set.h',
         'internal_api/public/base/invalidation_state.cc',
         'internal_api/public/base/invalidation_state.h',
         'internal_api/public/base/model_type.h',
         'internal_api/public/base/model_type_state_map.cc',
         'internal_api/public/base/model_type_state_map.h',
+        'internal_api/public/base/node_ordinal.cc',
+        'internal_api/public/base/node_ordinal.h',
+        'internal_api/public/base/ordinal.h',
         'internal_api/public/engine/model_safe_worker.cc',
         'internal_api/public/engine/model_safe_worker.h',
         'internal_api/public/engine/passive_model_worker.cc',
         'internal_api/public/engine/passive_model_worker.h',
         'internal_api/public/engine/polling_constants.cc',
         'internal_api/public/engine/polling_constants.h',
         'internal_api/public/engine/sync_status.cc',
         'internal_api/public/engine/sync_status.h',
         'internal_api/public/sessions/model_neutral_state.cc',
         'internal_api/public/sessions/model_neutral_state.h',
@@ skipping 319 matching lines @@
         '..',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         'protocol/sync_proto.gyp:sync_proto',
         'sync',
       ],
       # We avoid including header files from sync_proto in our public
       # header files so we don't need to export its settings.
       'sources': [
+        'api/string_ordinal.h',
         'api/syncable_service.cc',
         'api/syncable_service.h',
         'api/sync_data.h',
         'api/sync_data.cc',
         'api/sync_change.h',
         'api/sync_change.cc',
         'api/sync_change_processor.h',
         'api/sync_change_processor.cc',
         'api/sync_error.h',
         'api/sync_error.cc',
@@ skipping 180 matching lines @@
         'sync',
         'test_support_sync',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
         ],
         'sources': [
           'internal_api/public/base/enum_set_unittest.cc',
           'internal_api/public/base/model_type_state_map_unittest.cc',
+          'internal_api/public/base/node_ordinal_unittest.cc',
+          'internal_api/public/base/ordinal_unittest.cc',
           'internal_api/public/engine/model_safe_worker_unittest.cc',
           'internal_api/public/util/immutable_unittest.cc',
           'engine/apply_control_data_updates_unittest.cc',
           'engine/apply_updates_command_unittest.cc',
           'engine/backoff_delay_provider_unittest.cc',
           'engine/build_commit_command_unittest.cc',
           'engine/download_updates_command_unittest.cc',
           'engine/model_changing_syncer_command_unittest.cc',
           'engine/process_commit_response_command_unittest.cc',
           'engine/process_updates_command_unittest.cc',
@@ skipping 272 matching lines @@
           'variables': {
             'test_suite_name': 'sync_unit_tests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)sync_unit_tests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }