QUIC server max streams is now at least 10 streams larger than

net/quic/quic_protocol.h

Index: net/quic/quic_protocol.h
diff --git a/net/quic/quic_protocol.h b/net/quic/quic_protocol.h
index bcd58a2b33b0b0f5f297d6d786e36ef02fa9565a..8841a2a5a47efa4e252e690f966e54ce5a5bb095 100644
--- a/net/quic/quic_protocol.h
+++ b/net/quic/quic_protocol.h
@@ -124,9 +124,14 @@ const int kMinIntervalBetweenServerConfigUpdatesRTTs = 10;
 // Minimum time between Server Config Updates (SCUP) sent to client.
 const int kMinIntervalBetweenServerConfigUpdatesMs = 1000;
 
-// Multiplier that allows server to accept slightly more streams than
-// negotiated in handshake.
+// The number of open streams that a server will accept is set to be slightly
+// larger than the negotiated limit. Immediately closing the connection if the
+// client opens slightly too many streams is not ideal: the client may have sent
+// a FIN that was lost, and simultaneously opened a new stream. The number of
+// streams a server accepts is a fixed increment over the negotiated limit, or a
+// percentage increase, whichever is larger.
 const float kMaxStreamsMultiplier = 1.1f;
+const int kMaxStreamsMinimumIncrement = 10;
 
 // We define an unsigned 16-bit floating point value, inspired by IEEE floats
 // (http://en.wikipedia.org/wiki/Half_precision_floating-point_format),