Interface change for net_util.h for WebRTC IPv6 support.

net/base/net_util.h

Index: net/base/net_util.h
diff --git a/net/base/net_util.h b/net/base/net_util.h
index 39cb6abdc9caef02a5b3b3532d5efddeb4d1df33..421df4addd45f1a008ee874105030da6ac502d81 100644
--- a/net/base/net_util.h
+++ b/net/base/net_util.h
@@ -438,16 +438,35 @@ NET_EXPORT_PRIVATE int GetPortFromSockaddr(const struct sockaddr* address,
 // machine.
 NET_EXPORT_PRIVATE bool IsLocalhost(const std::string& host);
 
+// A subset of IP address attributes which are actionable by

[pauljensen, 2014/09/19 14:56:53]

by->by the
(I recommended this in my last review)

[guoweis2, 2014/09/19 16:55:30]

Sorry, missed the. Done.

+// application layer. Currently unimplemented for all hosts;
+// IP_ADDRESS_ATTRIBUTE_NONE is always returned.
+enum IPAddressAttributes {
+  IP_ADDRESS_ATTRIBUTE_NONE = 0,
+
+  // Temporary address is dynamic by nature and will not carry MAC

[pauljensen, 2014/09/19 14:56:53]

carry -> contain
Could we mention this is for IPv6 privacy and reference rfc4941.

[guoweis2, 2014/09/19 16:55:30]

Done.

+  // address.
+  IP_ADDRESS_ATTRIBUTE_TEMPORARY = 1 << 0,
+
+  // Temporary address could become deprecated once the preferred

[pauljensen, 2014/09/19 14:56:53]

Either "Temporary" -> "A temporary"
or "address could" -> "addresses can"

[guoweis2, 2014/09/19 16:55:30]

Done.

+  // lifetime is reached. It is still valid but shouldn't be used to
+  // create new connection.

[pauljensen, 2014/09/19 14:56:53]

connection -> connections

[guoweis2, 2014/09/19 16:55:30]

Done.

+  IP_ADDRESS_ATTRIBUTE_DEPRECATED = 1 << 1,
+};
+
 // struct that is used by GetNetworkList() to represent a network
 // interface.
 struct NET_EXPORT NetworkInterface {
   NetworkInterface();
+

[pauljensen, 2014/09/19 14:56:53]

needless whitespace change

[guoweis2, 2014/09/19 16:55:30]

Done. Also removed one before ~NetworkInterface()

   NetworkInterface(const std::string& name,
                    const std::string& friendly_name,
                    uint32 interface_index,
                    NetworkChangeNotifier::ConnectionType type,
                    const IPAddressNumber& address,
-                   uint32 network_prefix);
+                   uint32 network_prefix,
+                   int ip_address_attributes);
+
   ~NetworkInterface();
 
   std::string name;
@@ -456,6 +475,7 @@ struct NET_EXPORT NetworkInterface {
   NetworkChangeNotifier::ConnectionType type;
   IPAddressNumber address;
   uint32 network_prefix;
+  int ip_address_attributes;  // Combination of |IPAddressAttributes|.
 };
 
 typedef std::vector<NetworkInterface> NetworkInterfaceList;