Real (but naive) UDP socket sending.

chrome/browser/extensions/socket_api_constants.cc

+// Copyright (c) 2011 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 "chrome/browser/extensions/socket_api_constants.h"
+
+namespace extensions {
+
+namespace socket_api_constants {
+
+const char kBytesWrittenKey[] = "bytesWritten";
+const char kSocketIdKey[] = "socketId";
+
+const char kUdpSocketType[] = "udp";
+
+}  // namespace socket_api_constants
+
+}  // namespace extensions