Add quic_types.h and move the typedefs unrelated to the QUIC protocol

net/quic/quic_protocol.cc

Index: net/quic/quic_protocol.cc
diff --git a/net/quic/quic_protocol.cc b/net/quic/quic_protocol.cc
index 7502cdb53d398c7c000cda4d5e8d1c19bbc3c34a..140e6af269e89320bb7fdb2510f8701e77f6155f 100644
--- a/net/quic/quic_protocol.cc
+++ b/net/quic/quic_protocol.cc
@@ -783,27 +783,4 @@ TransmissionInfo::TransmissionInfo(
   all_transmissions->insert(sequence_number);
 }
 
-QuicConsumedData::QuicConsumedData(size_t bytes_consumed,
-                                   bool fin_consumed)
-      : bytes_consumed(bytes_consumed),
-        fin_consumed(fin_consumed) {
-}
-
-ostream& operator<<(ostream& os, const QuicConsumedData& s) {
-  os << "bytes_consumed: " << s.bytes_consumed
-     << " fin_consumed: " << s.fin_consumed;
-  return os;
-}
-
-WriteResult::WriteResult()
-    : status(WRITE_STATUS_ERROR),
-      bytes_written(0) {
-}
-
-WriteResult::WriteResult(WriteStatus status,
-                         int bytes_written_or_error_code)
-    : status(status),
-      bytes_written(bytes_written_or_error_code) {
-}
-
 }  // namespace net