Update from https://crrev.com/316786

net/quic/quic_stream_sequencer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_QUIC_QUIC_STREAM_SEQUENCER_H_
 #define NET_QUIC_QUIC_STREAM_SEQUENCER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 57 matching lines @@
 
   size_t num_bytes_buffered() const { return num_bytes_buffered_; }
   QuicStreamOffset num_bytes_consumed() const { return num_bytes_consumed_; }
 
   int num_frames_received() const { return num_frames_received_; }
 
   int num_duplicate_frames_received() const {
     return num_duplicate_frames_received_;
   }
 
+  int num_early_frames_received() const { return num_early_frames_received_; }
+
  private:
   friend class test::QuicStreamSequencerPeer;
 
   // Wait until we've seen 'offset' bytes, and then terminate the stream.
   void CloseStreamAtOffset(QuicStreamOffset offset);
 
   // If we've received a FIN and have processed all remaining data, then inform
   // the stream of FIN, and clear buffers.
   bool MaybeCloseStream();
 
@@ skipping 27 matching lines @@
 
   // Tracks how many bytes the sequencer has buffered.
   size_t num_bytes_buffered_;
 
   // Count of the number of frames received.
   int num_frames_received_;
 
   // Count of the number of duplicate frames received.
   int num_duplicate_frames_received_;
 
+  // Count of the number of frames received before all previous frames were
+  // received.
+  int num_early_frames_received_;
+
   DISALLOW_COPY_AND_ASSIGN(QuicStreamSequencer);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_STREAM_SEQUENCER_H_