Add NetLog support to UDP sockets.

net/udp/udp_data_transfer_param.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 "base/string_number_conversions.h"
+#include "base/values.h"
+#include "net/base/ip_endpoint.h"
+#include "net/udp/udp_data_transfer_param.h"
+
+namespace net {
+
+UDPDataTransferNetLogParam::UDPDataTransferNetLogParam(
+    int byte_count,
+    const char* bytes,
+    bool log_bytes,
+    const IPEndPoint* address)
+    : byte_count_(byte_count),
+      hex_encoded_bytes_(log_bytes ? base::HexEncode(bytes, byte_count) : "") {
+  if (address)
+    address_.reset(new IPEndPoint(*address));
+}
+
+UDPDataTransferNetLogParam::~UDPDataTransferNetLogParam() {
+}
+
+Value* UDPDataTransferNetLogParam::ToValue() const {
+  DictionaryValue* dict = new DictionaryValue();
+  dict->SetInteger("byte_count", byte_count_);
+  if (!hex_encoded_bytes_.empty())
+    dict->SetString("hex_encoded_bytes", hex_encoded_bytes_);
+  if (address_.get())
+    dict->SetString("address", address_->ToString());
+  return dict;
+}
+
+}  // namespace net