Rename to write_buffer_size

include/beast/websocket/impl/stream.ipp

@@ -695,7 +695,7 @@ write_frame(bool fin, ConstBufferSequence const& bs, error_code& ec)
     detail::prepared_key_type key;
     detail::prepare_key(key, fh.key);
     auto const tmp_size =
-        detail::clamp(fh.len, mask_buf_size_);
+        detail::clamp(fh.len, wr_buf_size_);
     std::unique_ptr<std::uint8_t[]> up(
         new std::uint8_t[tmp_size]);
     std::uint64_t remain = fh.len;

include/beast/websocket/impl/write_frame_op.ipp

@@ -67,7 +67,7 @@ class stream<NextLayer>::write_frame_op
                 fh.key = ws.maskgen_();
                 detail::prepare_key(key, fh.key);
                 tmp_size = detail::clamp(
-                    fh.len, ws.mask_buf_size_);
+                    fh.len, ws.wr_buf_size_);
                 tmp = boost_asio_handler_alloc_helpers::
                     allocate(tmp_size, h);
                 remain = fh.len;