Create QUIC_VERSION_16 which breaks the sent_info field out of the ACK

net/tools/quic/quic_dispatcher.cc

Index: net/tools/quic/quic_dispatcher.cc
diff --git a/net/tools/quic/quic_dispatcher.cc b/net/tools/quic/quic_dispatcher.cc
index 227eeba8157472f08eed3c03f397b87297e0b003..48c5766e59787328dd5f5345ddf07d2588e4b36b 100644
--- a/net/tools/quic/quic_dispatcher.cc
+++ b/net/tools/quic/quic_dispatcher.cc
@@ -101,6 +101,11 @@ class QuicDispatcher::QuicFramerVisitor : public QuicFramerVisitorInterface {
     DCHECK(false);
     return false;
   }
+  virtual bool OnStopWaitingFrame(
+      const QuicStopWaitingFrame& /*frame*/) OVERRIDE {
+    DCHECK(false);
+    return false;
+  }
   virtual bool OnRstStreamFrame(const QuicRstStreamFrame& /*frame*/) OVERRIDE {
     DCHECK(false);
     return false;