Add NetLog support to UDP sockets.

net/base/net_log.h

 // 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.
 
 #ifndef NET_BASE_NET_LOG_H_
 #define NET_BASE_NET_LOG_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 225 matching lines @@
   // Convenience methods that call through to the NetLog, passing in the
   // currently bound source, current time, and a fixed "capture phase"
   // (begin, end, or none).
   void AddEvent(NetLog::EventType event_type,
                 const scoped_refptr<NetLog::EventParameters>& params) const;
   void BeginEvent(NetLog::EventType event_type,
                   const scoped_refptr<NetLog::EventParameters>& params) const;
   void EndEvent(NetLog::EventType event_type,
                 const scoped_refptr<NetLog::EventParameters>& params) const;
 
+  // Just like AddEvent, except |net_error| is a net error code.  A parameter
+  // called "net_error" with the indicated value will be recorded for the event.
+  // |net_error| must be negative, and not ERR_IO_PENDING, as it's not a true
+  // error.
+  void AddEventWithNetErrorCode(NetLog::EventType event_type,
+                                int net_error) const;
+
   // Just like EndEvent, except |net_error| is a net error code.  If it's
   // negative, a parameter called "net_error" with a value of |net_error| is
   // associated with the event.  Otherwise, the end event has no parameters.
   // |net_error| must not be ERR_IO_PENDING, as it's not a true error.
   void EndEventWithNetErrorCode(NetLog::EventType event_type,
                                 int net_error) const;
 
   // Logs a byte transfer event to the NetLog.  Determines whether to log the
   // received bytes or not based on the current logging level.
   void AddByteTransferEvent(NetLog::EventType event_type,
-                            int byte_count, char* bytes) const;
+                            int byte_count, const char* bytes) const;
 
   NetLog::LogLevel GetLogLevel() const;
 
   // Returns true if the log level is LOG_ALL.
   bool IsLoggingBytes() const;
 
   // Returns true if the log level is LOG_ALL or LOG_ALL_BUT_BYTES.
   bool IsLoggingAllEvents() const;
 
   // Helper to create a BoundNetLog given a NetLog and a SourceType. Takes care
@@ skipping 85 matching lines @@
 
  private:
   BoundNetLog net_log_;
   const NetLog::EventType event_type_;
   scoped_refptr<NetLog::EventParameters> end_event_params_;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NET_LOG_H_