Add NetLog support to UDP sockets.

net/udp/udp_socket_libevent.h

Index: net/udp/udp_socket_libevent.h
===================================================================
--- net/udp/udp_socket_libevent.h	(revision 105148)
+++ net/udp/udp_socket_libevent.h	(working copy)
@@ -10,6 +10,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/threading/non_thread_safe.h"
+#include "net/base/address_list_net_log_param.h"
 #include "net/base/completion_callback.h"
 #include "net/base/rand_callback.h"
 #include "net/base/io_buffer.h"
@@ -19,8 +20,6 @@
 
 namespace net {
 
-class BoundNetLog;
-
 class UDPSocketLibevent : public base::NonThreadSafe {
  public:
   UDPSocketLibevent(DatagramSocket::BindType bind_type,
@@ -145,6 +144,12 @@
   void DidCompleteRead();
   void DidCompleteWrite();
 
+  // Handle stats and logging.
+  void ProcessSuccessfulRead(int num_bytes, const char* bytes,
+                             const IPEndPoint* address) const;
+  void ProcessSuccessfulWrite(int num_bytes, const char* bytes,
+                              const IPEndPoint* address) const;
+
   // Returns the OS error code (or 0 on success).
   int CreateSocket(const IPEndPoint& address);
 
@@ -156,6 +161,7 @@
                     const IPEndPoint* address,
                     OldCompletionCallback* callback);
 
+  int InternalConnect(const IPEndPoint& address);
   int InternalRecvFrom(IOBuffer* buf, int buf_len, IPEndPoint* address);
   int InternalSendTo(IOBuffer* buf, int buf_len, const IPEndPoint* address);