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

net/quic/quic_types.cc

+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/quic/quic_types.h"
+
+using std::ostream;
+
+namespace net {
+
+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