base::Bind: Convert HostResolver::Resolve.

jingle/notifier/communicator/xmpp_connection_generator.h

Index: jingle/notifier/communicator/xmpp_connection_generator.h
diff --git a/jingle/notifier/communicator/xmpp_connection_generator.h b/jingle/notifier/communicator/xmpp_connection_generator.h
index 34f5ace41a9143f57e7b7b12ed6b2e6f328721cf..fc41faa4181c5f62f10075f61c1552922bbfa7d2 100644
--- a/jingle/notifier/communicator/xmpp_connection_generator.h
+++ b/jingle/notifier/communicator/xmpp_connection_generator.h
@@ -9,7 +9,6 @@
 
 #include "base/memory/scoped_ptr.h"
 #include "net/base/address_list.h"
-#include "net/base/completion_callback.h"
 #include "net/base/host_resolver.h"
 #include "net/base/net_log.h"
 #include "net/base/single_request_host_resolver.h"
@@ -70,7 +69,6 @@ class XmppConnectionGenerator {
 
   Delegate* delegate_;
   net::SingleRequestHostResolver host_resolver_;
-  scoped_ptr<net::OldCompletionCallback> resolve_callback_;
   net::AddressList address_list_;
   net::BoundNetLog bound_net_log_;
   scoped_ptr<ConnectionSettingsList> settings_list_;