[Sync] Move //components/sync to the syncer namespace.

components/sync/engine_impl/commit_util.cc

Index: components/sync/engine_impl/commit_util.cc
diff --git a/components/sync/engine_impl/commit_util.cc b/components/sync/engine_impl/commit_util.cc
index 8eeef48b9cbbb5229b4945a55771f25dae3db22e..ed3387a055b1eed8677f803fc23429a2aff3671b 100644
--- a/components/sync/engine_impl/commit_util.cc
+++ b/components/sync/engine_impl/commit_util.cc
@@ -34,8 +34,8 @@ using std::vector;
 
 namespace syncer {
 
-using syncable::Entry;
-using syncable::Id;
+using syncer::syncable::Entry;
+using syncer::syncable::Id;
 
 namespace commit_util {
 
@@ -74,8 +74,7 @@ void AddClientConfigParamsToMessage(ModelTypeSet enabled_types,
     int field_number = GetSpecificsFieldNumberFromModelType(it.Get());
     config_params->mutable_enabled_type_ids()->Add(field_number);
   }
-  config_params->set_tabs_datatype_enabled(
-      enabled_types.Has(syncer::PROXY_TABS));
+  config_params->set_tabs_datatype_enabled(enabled_types.Has(PROXY_TABS));
   config_params->set_cookie_jar_mismatch(cookie_jar_mismatch);
 }