Added connectivity tests, fixed bugs
diff --git a/src/core/channel/client_channel.h b/src/core/channel/client_channel.h
index 16f1133..cd81294 100644
--- a/src/core/channel/client_channel.h
+++ b/src/core/channel/client_channel.h
@@ -59,4 +59,11 @@
     grpc_channel_element *elem, grpc_connectivity_state *state,
     grpc_iomgr_closure *on_complete);
 
+grpc_pollset_set *grpc_client_channel_get_connecting_pollset_set(grpc_channel_element *elem);
+
+void grpc_client_channel_add_interested_party(grpc_channel_element *channel,
+                                          grpc_pollset *pollset);
+void grpc_client_channel_del_interested_party(grpc_channel_element *channel,
+                                          grpc_pollset *pollset);
+
 #endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H */