Reimplements net::AddressList without struct addrinfo.

net/socket/tcp_client_socket_libevent.h

Index: net/socket/tcp_client_socket_libevent.h
diff --git a/net/socket/tcp_client_socket_libevent.h b/net/socket/tcp_client_socket_libevent.h
index 5519f3cbf5504bb05adcdc375796c9c91a5413f9..f46233094f2ea2e96eff560fb4496eb9b053d456 100644
--- a/net/socket/tcp_client_socket_libevent.h
+++ b/net/socket/tcp_client_socket_libevent.h
@@ -155,8 +155,8 @@ class NET_EXPORT_PRIVATE TCPClientSocketLibevent : public StreamSocket,
   // The list of addresses we should try in order to establish a connection.
   AddressList addresses_;
 
-  // Where we are in above list, or NULL if all addrinfos have been tried.
-  const struct addrinfo* current_ai_;
+  // Where we are in above list. Set to -1 if uninitialized.

[eroman, 2012/05/04 01:08:41]

I don't like -1 for unsigned values. Please make this an int.

[szym, 2012/05/04 02:38:29]

Will do. That was my initial attempt, but then go lazy with static_cast<int>()
for all DCHECKs and comparisons.

+  size_t current_address_index_;
 
   // The socket's libevent wrappers
   MessageLoopForIO::FileDescriptorWatcher read_socket_watcher_;