Temporarily store the raw QUIC packet in QuicConnection.

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index 2dda96ce3e5f7b73c70f81bf3b4851950448f528..57b9f9385edf9fdabe97543e2985e667d4a63a0a 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -661,6 +661,8 @@ class NET_EXPORT_PRIVATE QuicConnection
 
   QuicConnectionHelperInterface* helper() { return helper_; }
 
+  base::StringPiece GetCurrentPacket();
+
  protected:
   // Send a packet to the peer, and takes ownership of the packet if the packet
   // cannot be written immediately.
@@ -846,6 +848,9 @@ class NET_EXPORT_PRIVATE QuicConnection
   // decrypted.
   bool last_packet_decrypted_;
   QuicByteCount last_size_;   // Size of the last received packet.
+  // TODO(rch): remove this when b/27221014 is fixed.
+  const char* current_packet_data_;  // UDP payload of packet currently being
+                                     // parsed or nullptr.
   EncryptionLevel last_decrypted_packet_level_;
   QuicPacketHeader last_header_;
   QuicStopWaitingFrame last_stop_waiting_frame_;