[Sync] Rename csync namespace to syncer

sync/engine/verify_updates_command.cc

Index: sync/engine/verify_updates_command.cc
diff --git a/sync/engine/verify_updates_command.cc b/sync/engine/verify_updates_command.cc
index 91f08f0d0cde113483fdbf5ae9c0f2bfd698b095..93b6263bafa2631764d952a70bb1787c862e1721 100644
--- a/sync/engine/verify_updates_command.cc
+++ b/sync/engine/verify_updates_command.cc
@@ -18,7 +18,7 @@
 #include "sync/syncable/mutable_entry.h"
 #include "sync/syncable/write_transaction.h"
 
-namespace csync {
+namespace syncer {
 
 using syncable::GET_BY_ID;
 using syncable::ModelTypeSet;
@@ -100,7 +100,7 @@ SyncerError VerifyUpdatesCommand::ModelChangingExecuteImpl(
   const GetUpdatesResponse& updates = status->updates_response().get_updates();
   int update_count = updates.entries().size();
 
-  ModelTypeSet requested_types = csync::GetRoutingInfoTypes(
+  ModelTypeSet requested_types = syncer::GetRoutingInfoTypes(
       session->routing_info());
 
   DVLOG(1) << update_count << " entries to verify";
@@ -186,4 +186,4 @@ VerifyUpdatesCommand::VerifyUpdateResult VerifyUpdatesCommand::VerifyUpdate(
   return result;  // This might be VERIFY_SUCCESS as well
 }
 
-}  // namespace csync
+}  // namespace syncer