[Sync] Move sync/{internal_api,syncable} into syncer namespace

sync/internal_api/test/test_entry_factory.cc

Index: sync/internal_api/test/test_entry_factory.cc
diff --git a/sync/internal_api/test/test_entry_factory.cc b/sync/internal_api/test/test_entry_factory.cc
index 6731f72ea4ac8cf756c4e0465fb007cb7bcc9d76..bccb4323821ca032a6ed717c3e0b0f8f6bba6a66 100644
--- a/sync/internal_api/test/test_entry_factory.cc
+++ b/sync/internal_api/test/test_entry_factory.cc
@@ -11,13 +11,14 @@
 #include "sync/test/engine/test_id_factory.h"
 
 using std::string;
+
+namespace syncer {
+
 using syncable::Id;
 using syncable::MutableEntry;
 using syncable::UNITTEST;
 using syncable::WriteTransaction;
 
-namespace syncer {
-
 TestEntryFactory::TestEntryFactory(syncable::Directory *dir)
     : directory_(dir), next_revision_(1) {
 }