Extracted NetLog class's inner enum types into their own enum classes and

net/socket/tcp_socket_posix.h

 // Copyright 2013 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_SOCKET_TCP_SOCKET_POSIX_H_
 #define NET_SOCKET_TCP_SOCKET_POSIX_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 79 matching lines @@
 
   // Detachs from the current thread, to allow the socket to be transferred to
   // a new thread. Should only be called when the object is no longer used by
   // the old thread.
   void DetachFromThread();
 
   // Marks the start/end of a series of connect attempts for logging purpose.
   //
   // TCPClientSocket may attempt to connect to multiple addresses until it
   // succeeds in establishing a connection. The corresponding log will have
-  // multiple NetLog::TYPE_TCP_CONNECT_ATTEMPT entries nested within a
-  // NetLog::TYPE_TCP_CONNECT. These methods set the start/end of
-  // NetLog::TYPE_TCP_CONNECT.
+  // multiple NetLogEventType::TCP_CONNECT_ATTEMPT entries nested within a
+  // NetLogEventType::TCP_CONNECT. These methods set the start/end of
+  // NetLogEventType::TCP_CONNECT.
   //
   // TODO(yzshen): Change logging format and let TCPClientSocket log the
   // start/end of a series of connect attempts itself.
   void StartLoggingMultipleConnectAttempts(const AddressList& addresses);
   void EndLoggingMultipleConnectAttempts(int net_error);
 
   void SetTickClockForTesting(std::unique_ptr<base::TickClock> tick_clock);
 
   const BoundNetLog& net_log() const { return net_log_; }
 
@@ skipping 134 matching lines @@
   bool logging_multiple_connect_attempts_;
 
   BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(TCPSocketPosix);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_SOCKET_POSIX_H_