snapshot → handles Relation

File in src/snapshot	Includes file in src/handles
code-serializer.cc	maybe-handles.h
code-serializer.cc	persistent-handles.h
deserializer.cc	global-handles-inl.h
deserializer.h	global-handles.h
read-only-deserializer.cc	handles-inl.h
serializer.cc	global-handles-inl.h
serializer.h	global-handles.h
snapshot-source-sink.cc	handles-inl.h
snapshot.cc	global-handles-inl.h
startup-deserializer.cc	handles-inl.h
startup-serializer.cc	global-handles-inl.h
startup-serializer.h	global-handles.h