optionalize max_age
diff --git a/binding.gyp b/binding.gyp
index e103ecf..f3c7252 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -626,7 +626,6 @@
'src/core/lib/channel/handshaker_registry.c',
'src/core/lib/channel/http_client_filter.c',
'src/core/lib/channel/http_server_filter.c',
- 'src/core/lib/channel/max_age_filter.c',
'src/core/lib/channel/message_size_filter.c',
'src/core/lib/compression/compression.c',
'src/core/lib/compression/message_compress.c',
@@ -846,6 +845,7 @@
'src/core/ext/census/resource.c',
'src/core/ext/census/trace_context.c',
'src/core/ext/census/tracing.c',
+ 'src/core/ext/filters/max_age/max_age_filter.c',
'src/core/plugin_registry/grpc_plugin_registry.c',
],
"conditions": [