Some reorganizing to respond to code review comments
diff --git a/config.w32 b/config.w32
index ad91ee4..333986c 100644
--- a/config.w32
+++ b/config.w32
@@ -224,6 +224,7 @@
     "src\\core\\ext\\transport\\chttp2\\transport\\frame_settings.cc " +
     "src\\core\\ext\\transport\\chttp2\\transport\\frame_window_update.cc " +
     "src\\core\\ext\\transport\\chttp2\\transport\\hpack_encoder.cc " +
+    "src\\core\\ext\\transport\\chttp2\\transport\\hpack_mapping.cc " +
     "src\\core\\ext\\transport\\chttp2\\transport\\hpack_parser.cc " +
     "src\\core\\ext\\transport\\chttp2\\transport\\hpack_table.cc " +
     "src\\core\\ext\\transport\\chttp2\\transport\\http2_settings.cc " +