Inline the members of QUIC's ReceivedPacketInfo into QuicAckFrame now

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 170a40ce9a651be59f9902bc54c6763611e1137d..54deee28edb55bc2299f8bd6e0dca681b3f72838 100644
--- a/net/quic/quic_protocol.h
+++ b/net/quic/quic_protocol.h
@@ -631,12 +631,25 @@ typedef std::set<QuicPacketSequenceNumber> SequenceNumberSet;
 // TODO(pwestin): Add a way to enforce the max size of this map.
 typedef std::map<QuicPacketSequenceNumber, QuicTime> TimeMap;
 
-struct NET_EXPORT_PRIVATE ReceivedPacketInfo {
-  ReceivedPacketInfo();
-  ~ReceivedPacketInfo();
+struct NET_EXPORT_PRIVATE QuicStopWaitingFrame {
+  QuicStopWaitingFrame();
+  ~QuicStopWaitingFrame();
 
   NET_EXPORT_PRIVATE friend std::ostream& operator<<(
-      std::ostream& os, const ReceivedPacketInfo& s);
+      std::ostream& os, const QuicStopWaitingFrame& s);
+  // Entropy hash of all packets up to, but not including, the least unacked
+  // packet.
+  QuicPacketEntropyHash entropy_hash;
+  // The lowest packet we've sent which is unacked, and we expect an ack for.
+  QuicPacketSequenceNumber least_unacked;
+};
+
+struct NET_EXPORT_PRIVATE QuicAckFrame {
+  QuicAckFrame();
+  ~QuicAckFrame();
+
+  NET_EXPORT_PRIVATE friend std::ostream& operator<<(
+      std::ostream& os, const QuicAckFrame& s);
 
   // Entropy hash of all packets up to largest observed not including missing
   // packets.
@@ -673,39 +686,15 @@ struct NET_EXPORT_PRIVATE ReceivedPacketInfo {
 // as missing.
 // Always returns false for sequence numbers less than least_unacked.
 bool NET_EXPORT_PRIVATE IsAwaitingPacket(
-    const ReceivedPacketInfo& received_info,
+    const QuicAckFrame& ack_frame,
     QuicPacketSequenceNumber sequence_number);
 
 // Inserts missing packets between [lower, higher).
 void NET_EXPORT_PRIVATE InsertMissingPacketsBetween(
-    ReceivedPacketInfo* received_info,
+    QuicAckFrame* ack_frame,
     QuicPacketSequenceNumber lower,
     QuicPacketSequenceNumber higher);
 
-struct NET_EXPORT_PRIVATE QuicStopWaitingFrame {
-  QuicStopWaitingFrame();
-  ~QuicStopWaitingFrame();
-
-  NET_EXPORT_PRIVATE friend std::ostream& operator<<(
-      std::ostream& os, const QuicStopWaitingFrame& s);
-
-  // Entropy hash of all packets up to, but not including, the least unacked
-  // packet.
-  QuicPacketEntropyHash entropy_hash;
-  // The lowest packet we've sent which is unacked, and we expect an ack for.
-  QuicPacketSequenceNumber least_unacked;
-};
-
-struct NET_EXPORT_PRIVATE QuicAckFrame {
-  QuicAckFrame();
-
-  NET_EXPORT_PRIVATE friend std::ostream& operator<<(
-      std::ostream& os, const QuicAckFrame& s);
-
-  // TODO(ianswett): Inline the fields of received_info.
-  ReceivedPacketInfo received_info;
-};
-
 // Defines for all types of congestion feedback that will be negotiated in QUIC,
 // kTCP MUST be supported by all QUIC implementations to guarantee 100%
 // compatibility.