remove unused methods: num_early_frames_received() from the shared code which was used by chromium …

net/quic/core/quic_stream_sequencer.h

Index: net/quic/core/quic_stream_sequencer.h
diff --git a/net/quic/core/quic_stream_sequencer.h b/net/quic/core/quic_stream_sequencer.h
index 032616ccba16ecec17974ad0e5ecabf2fd15ea93..9b373664345ac29b7224dd2e210eadae2fe76cac 100644
--- a/net/quic/core/quic_stream_sequencer.h
+++ b/net/quic/core/quic_stream_sequencer.h
@@ -94,8 +94,6 @@ class NET_EXPORT_PRIVATE QuicStreamSequencer {
     return num_duplicate_frames_received_;
   }
 
-  int num_early_frames_received() const { return num_early_frames_received_; }
-
   bool ignore_read_data() const { return ignore_read_data_; }
 
   // Returns std::string describing internal state.
@@ -135,10 +133,6 @@ class NET_EXPORT_PRIVATE QuicStreamSequencer {
   // 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_;
-
   // Not owned.
   const QuicClock* clock_;