WriteBlockedList for QUIC that prioritizes Crypto and Headers streams

net/quic/quic_session.cc

Index: net/quic/quic_session.cc
diff --git a/net/quic/quic_session.cc b/net/quic/quic_session.cc
index 5ec68ee609050bab06774f8c6c901e95463d617a..e9a9173a01677860393b9562278bd0a960b4f94d 100644
--- a/net/quic/quic_session.cc
+++ b/net/quic/quic_session.cc
@@ -281,8 +281,7 @@ bool QuicSession::OnCanWrite() {
       connection_->CloseConnection(QUIC_INTERNAL_ERROR, false);
       return true;  // We have no write blocked streams.
     }
-    int index = write_blocked_streams_.GetHighestPriorityWriteBlockedList();
-    QuicStreamId stream_id = write_blocked_streams_.PopFront(index);
+    QuicStreamId stream_id = write_blocked_streams_.PopFront();
     if (stream_id == kCryptoStreamId) {
       has_pending_handshake_ = false;  // We just popped it.
     }
@@ -611,11 +610,11 @@ void QuicSession::MarkWriteBlocked(QuicStreamId id, QuicPriority priority) {
     // kHighestPriority.
     priority = kHighestPriority;
   }
-  write_blocked_streams_.PushBack(id, priority);
+  write_blocked_streams_.PushBack(id, priority, connection()->version());
 }
 
 bool QuicSession::HasQueuedData() const {
-  return write_blocked_streams_.NumBlockedStreams() ||
+  return write_blocked_streams_.HasWriteBlockedStreams() ||
       connection_->HasQueuedData();
 }