Allow the number of undecryptable QUIC packets buffered before the

net/quic/quic_stream_factory.cc

Index: net/quic/quic_stream_factory.cc
diff --git a/net/quic/quic_stream_factory.cc b/net/quic/quic_stream_factory.cc
index 39be0ebb9580cfcdcb071a3396d5cb3dbcecd253..36f11c3574bfc499eea880c671978ba7e5e44b40 100644
--- a/net/quic/quic_stream_factory.cc
+++ b/net/quic/quic_stream_factory.cc
@@ -70,6 +70,8 @@ const int32 kInitialReceiveWindowSize = 10 * 1024 * 1024;  // 10MB
 const int32 kServerSecureInitialCongestionWindow = 32;
 // Be conservative, and just use double a typical TCP  ICWND for HTTP.
 const int32 kServerInecureInitialCongestionWindow = 20;
+// Set the maximum number of undecryptable packets the connection will store.
+const int32 kMaxUndecryptablePackets = 100;
 
 const char kDummyHostname[] = "quic.global.props";
 const uint16 kDummyPort = 0;
@@ -902,6 +904,7 @@ int QuicStreamFactory::CreateSession(
   config.SetInitialCongestionWindowToSend(
       server_id.is_https() ? kServerSecureInitialCongestionWindow
                            : kServerInecureInitialCongestionWindow);
+  config.set_max_undecryptable_packets(kMaxUndecryptablePackets);
   config.SetInitialFlowControlWindowToSend(kInitialReceiveWindowSize);
   config.SetInitialStreamFlowControlWindowToSend(kInitialReceiveWindowSize);
   config.SetInitialSessionFlowControlWindowToSend(kInitialReceiveWindowSize);