Extracting NetLog inner classes into their own classes.

net/url_request/url_request_netlog_params.cc

 // Copyright (c) 2012 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/url_request/url_request_netlog_params.h"
 
 #include <utility>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
+#include "net/log/net_log_capture_mode.h"
 #include "url/gurl.h"
 
 namespace net {
 
 std::unique_ptr<base::Value> NetLogURLRequestStartCallback(
     const GURL* url,
     const std::string* method,
     int load_flags,
     RequestPriority priority,
     int64_t upload_id,
     NetLogCaptureMode /* capture_mode */) {
   std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   dict->SetString("url", url->possibly_invalid_spec());
   dict->SetString("method", *method);
   dict->SetInteger("load_flags", load_flags);
   dict->SetString("priority", RequestPriorityToString(priority));
   if (upload_id > -1)
     dict->SetString("upload_id", base::Int64ToString(upload_id));
   return std::move(dict);
 }
 
 }  // namespace net