Bug 4865: Enable connectivity when the remote peer is on public internet.

webrtc/base/ipaddress.h

 /*
  *  Copyright 2011 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 91 matching lines @@
   // Returns the same address if this isn't a mapped address.
   IPAddress Normalized() const;
 
   // Returns this address as an IPv6 address.
   // Maps v4 addresses (as ::ffff:a.b.c.d), returns v6 addresses unchanged.
   IPAddress AsIPv6Address() const;
 
   // For socketaddress' benefit. Returns the IP in host byte order.
   uint32 v4AddressAsHostOrderInteger() const;
 
+  // Whether this is an unspecified IP address.
+  bool IsNil() const;
+
   static void set_strip_sensitive(bool enable);
 
  private:
   int family_;
   union {
     in_addr ip4;
     in6_addr ip6;
   } u_;
 
   static bool strip_sensitive_;
@@ skipping 55 matching lines @@
 IPAddress TruncateIP(const IPAddress& ip, int length);
 
 // Returns the number of contiguously set bits, counting from the MSB in network
 // byte order, in this IPAddress. Bits after the first 0 encountered are not
 // counted.
 int CountIPMaskBits(IPAddress mask);
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_IPADDRESS_H_