diff --git a/quic/core/quic_connection.h b/quic/core/quic_connection.h
index d13458d..c921d1b 100644
--- a/quic/core/quic_connection.h
+++ b/quic/core/quic_connection.h
@@ -250,13 +250,11 @@
   // Called when a RstStreamFrame has been parsed.
   virtual void OnRstStreamFrame(const QuicRstStreamFrame& frame) {}
 
-  // Called when a ConnectionCloseFrame has been parsed.
+  // Called when a ConnectionCloseFrame has been parsed. All forms
+  // of CONNECTION CLOSE are handled, Google QUIC, IETF QUIC
+  // CONNECTION CLOSE/Transport and IETF QUIC CONNECTION CLOSE/Application
   virtual void OnConnectionCloseFrame(const QuicConnectionCloseFrame& frame) {}
 
-  // Called when an IETF QUIC CONNECTION_CLOSE/Application Frame has been
-  // parsed.
-  virtual void OnApplicationCloseFrame(const QuicConnectionCloseFrame& frame) {}
-
   // Called when a WindowUpdate has been parsed.
   virtual void OnWindowUpdateFrame(const QuicWindowUpdateFrame& frame,
                                    const QuicTime& receive_time) {}
@@ -498,7 +496,6 @@
   bool OnPingFrame(const QuicPingFrame& frame) override;
   bool OnRstStreamFrame(const QuicRstStreamFrame& frame) override;
   bool OnConnectionCloseFrame(const QuicConnectionCloseFrame& frame) override;
-  bool OnApplicationCloseFrame(const QuicConnectionCloseFrame& frame) override;
   bool OnStopSendingFrame(const QuicStopSendingFrame& frame) override;
   bool OnPathChallengeFrame(const QuicPathChallengeFrame& frame) override;
   bool OnPathResponseFrame(const QuicPathResponseFrame& frame) override;