In QUIC, send data is copied to streams rather than frames. Protected by FLAGS_quic_reloadable_flag…

net/quic/core/frames/quic_stream_frame.cc

Index: net/quic/core/frames/quic_stream_frame.cc
diff --git a/net/quic/core/frames/quic_stream_frame.cc b/net/quic/core/frames/quic_stream_frame.cc
index ba3463965a149129ccc194a187e2d93ea5ee5912..ccae486b1af97f3c98d51f8628e2b587f69abf5a 100644
--- a/net/quic/core/frames/quic_stream_frame.cc
+++ b/net/quic/core/frames/quic_stream_frame.cc
@@ -49,6 +49,12 @@ QuicStreamFrame::QuicStreamFrame(QuicStreamId stream_id,
   DCHECK_EQ(data_buffer, this->buffer.get());
 }
 
+QuicStreamFrame::QuicStreamFrame(QuicStreamId stream_id,
+                                 bool fin,
+                                 QuicStreamOffset offset,
+                                 QuicPacketLength data_length)
+    : QuicStreamFrame(stream_id, fin, offset, nullptr, data_length, nullptr) {}
+
 QuicStreamFrame::QuicStreamFrame(QuicStreamId stream_id,
                                  bool fin,
                                  QuicStreamOffset offset,