--- chrome/browser/sync/notifier/communicator/ssl_socket_adapter.h
+++ chrome/browser/sync/notifier/communicator/ssl_socket_adapter.h
@@ -42,7 +42,7 @@ class TransportSocket : public net::ClientSocket, public sigslot::has_slots<> {
   virtual bool IsConnected() const;
   virtual bool IsConnectedAndIdle() const;
 
-#if defined(OS_LINUX) || defined(OS_MACOSX)
+#if defined(OS_POSIX)
   virtual int GetPeerName(struct sockaddr *name, socklen_t *namelen);
 #endif
 
diff --git chrome/browser/sync/notifier/communicator/xmpp_socket_adapter.cc chrome/browser/sync/notifier/communicator/xmpp_socket_adapter.cc
index b7a3602..1a25838 100644