Land Recent QUIC Changes.

net/quic/quic_received_packet_manager.h

Index: net/quic/quic_received_packet_manager.h
diff --git a/net/quic/quic_received_packet_manager.h b/net/quic/quic_received_packet_manager.h
index 6cc752ef92899bf6fa2896a263a3963fd37f9e8c..9e2fb59c2412642638dc0da3bb0ea743a6ee63d3 100644
--- a/net/quic/quic_received_packet_manager.h
+++ b/net/quic/quic_received_packet_manager.h
@@ -39,6 +39,9 @@ class NET_EXPORT_PRIVATE QuicReceivedPacketManager :
                             QuicTime receipt_time,
                             bool revived);
 
+  // Checks whether |sequence_number| is missing and less than largest observed.
+  bool IsMissing(QuicPacketSequenceNumber sequence_number);
+
   // Checks if we're still waiting for the packet with |sequence_number|.
   bool IsAwaitingPacket(QuicPacketSequenceNumber sequence_number);
 
@@ -69,6 +72,10 @@ class NET_EXPORT_PRIVATE QuicReceivedPacketManager :
   // Returns whether the peer is missing packets.
   bool HasMissingPackets();
 
+  // Returns true when there are new missing packets to be reported within 3
+  // packets of the largest observed.
+  bool HasNewMissingPackets();
+
   QuicPacketSequenceNumber peer_largest_observed_packet() {
     return peer_largest_observed_packet_;
   }