[Sync] Move //components/sync to the syncer namespace, take 2.

components/sync/driver/data_type_manager.cc

Index: components/sync/driver/data_type_manager.cc
diff --git a/components/sync/driver/data_type_manager.cc b/components/sync/driver/data_type_manager.cc
index a95f16674c18cdbca71cce039bbcf2a7116ae7bf..daafef2374ad6d622de8a92f1d8cb53e0c8064c8 100644
--- a/components/sync/driver/data_type_manager.cc
+++ b/components/sync/driver/data_type_manager.cc
@@ -4,13 +4,12 @@
 
 #include "components/sync/driver/data_type_manager.h"
 
-namespace sync_driver {
+namespace syncer {
 
 DataTypeManager::ConfigureResult::ConfigureResult() : status(UNKNOWN) {}
 
-DataTypeManager::ConfigureResult::ConfigureResult(
-    ConfigureStatus status,
-    syncer::ModelTypeSet requested_types)
+DataTypeManager::ConfigureResult::ConfigureResult(ConfigureStatus status,
+                                                  ModelTypeSet requested_types)
     : status(status), requested_types(requested_types) {}
 
 DataTypeManager::ConfigureResult::ConfigureResult(
@@ -34,4 +33,4 @@ std::string DataTypeManager::ConfigureStatusToString(ConfigureStatus status) {
   return std::string();
 }
 
-}  // namespace sync_driver
+}  // namespace syncer