sync: Refactor per-datatype throttling

sync/sync.gyp

Index: sync/sync.gyp
diff --git a/sync/sync.gyp b/sync/sync.gyp
index fcbd96a6b3bb29ebad2be17bd39e62c9b58b23f4..775f62ed990ba34658b2d1ac17a67580ef51913f 100644
--- a/sync/sync.gyp
+++ b/sync/sync.gyp
@@ -45,6 +45,8 @@
         'engine/commit.h',
         'engine/conflict_resolver.cc',
         'engine/conflict_resolver.h',
+        'engine/throttled_data_type_tracker.cc',

[tim (not reviewing), 2012/06/11 18:53:46]

abc order

+        'engine/throttled_data_type_tracker.h',
         'engine/download_updates_command.cc',
         'engine/download_updates_command.h',
         'engine/get_commit_ids_command.cc',
@@ -53,13 +55,13 @@
         'engine/model_changing_syncer_command.h',
         'engine/model_safe_worker.cc',
         'engine/model_safe_worker.h',
-        'engine/passive_model_worker.cc',
-        'engine/passive_model_worker.h',
         'engine/net/server_connection_manager.cc',
         'engine/net/server_connection_manager.h',
         'engine/net/url_translator.cc',
         'engine/net/url_translator.h',
         'engine/nigori_util.cc',
+        'engine/passive_model_worker.cc',
+        'engine/passive_model_worker.h',
         'engine/nigori_util.h',
         'engine/nudge_source.cc',
         'engine/nudge_source.h',
@@ -371,8 +373,6 @@
         'test/null_directory_change_delegate.h',
         'test/null_transaction_observer.cc',
         'test/null_transaction_observer.h',
-        'test/engine/test_directory_setter_upper.cc',
-        'test/engine/test_directory_setter_upper.h',
         'test/engine/fake_model_safe_worker_registrar.cc',
         'test/engine/fake_model_safe_worker_registrar.h',
         'test/engine/fake_model_worker.cc',
@@ -381,6 +381,8 @@
         'test/engine/mock_connection_manager.h',
         'test/engine/syncer_command_test.cc',
         'test/engine/syncer_command_test.h',
+        'test/engine/test_directory_setter_upper.cc',
+        'test/engine/test_directory_setter_upper.h',
         'test/engine/test_id_factory.h',
         'test/engine/test_syncable_utils.cc',
         'test/engine/test_syncable_utils.h',
@@ -511,6 +513,7 @@
           'engine/sync_scheduler_whitebox_unittest.cc',
           'engine/syncer_unittest.cc',
           'engine/syncproto_unittest.cc',
+          'engine/throttled_data_type_tracker_unittest.cc',
           'engine/traffic_recorder_unittest.cc',
           'engine/verify_updates_command_unittest.cc',
           'js/js_arg_list_unittest.cc',
@@ -521,7 +524,6 @@
           'sessions/ordered_commit_set_unittest.cc',
           'sessions/session_state_unittest.cc',
           'sessions/status_controller_unittest.cc',
-          'sessions/sync_session_context_unittest.cc',
           'sessions/sync_session_unittest.cc',
           'syncable/directory_backing_store_unittest.cc',
           'syncable/model_type_payload_map_unittest.cc',