initial commit of tracing context files
diff --git a/grpc.gemspec b/grpc.gemspec
index f249006..8edac26 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -333,6 +333,7 @@
s.files += %w( src/core/ext/census/mlog.h )
s.files += %w( src/core/ext/census/resource.h )
s.files += %w( src/core/ext/census/rpc_metric_id.h )
+ s.files += %w( src/core/ext/census/trace_context.h )
s.files += %w( src/core/lib/surface/init.c )
s.files += %w( src/core/lib/channel/channel_args.c )
s.files += %w( src/core/lib/channel/channel_stack.c )
@@ -521,6 +522,7 @@
s.files += %w( src/core/ext/census/operation.c )
s.files += %w( src/core/ext/census/placeholders.c )
s.files += %w( src/core/ext/census/resource.c )
+ s.files += %w( src/core/ext/census/trace_context.c )
s.files += %w( src/core/ext/census/tracing.c )
s.files += %w( src/core/plugin_registry/grpc_plugin_registry.c )
s.files += %w( third_party/boringssl/crypto/aes/internal.h )