Refactor "secure bool" into explicit PROTO_TLS.

webrtc/p2p/base/portinterface.h

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 12 matching lines @@
 }
 
 namespace cricket {
 class Connection;
 class IceMessage;
 class StunMessage;
 
 enum ProtocolType {
   PROTO_UDP,
   PROTO_TCP,
-  PROTO_SSLTCP,
-  PROTO_LAST = PROTO_SSLTCP
+  PROTO_SSLTCP,  // Pseudo-TLS.
+  PROTO_TLS,
+  PROTO_LAST = PROTO_TLS
 };
 
 // Defines the interface for a port, which represents a local communication
 // mechanism that can be used to create connections to similar mechanisms of
 // the other client. Various types of ports will implement this interface.
 class PortInterface {
  public:
   virtual ~PortInterface() {}
 
   virtual const std::string& Type() const = 0;
@@ skipping 77 matching lines @@
 
   virtual std::string ToString() const = 0;
 
  protected:
   PortInterface() {}
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_PORTINTERFACE_H_