Update from chromium https://crrev.com/301725/

net/quic/crypto/chacha20_poly1305_decrypter.h

Index: net/quic/crypto/chacha20_poly1305_decrypter.h
diff --git a/net/quic/crypto/chacha20_poly1305_decrypter.h b/net/quic/crypto/chacha20_poly1305_decrypter.h
index 04f534156c32d24bdef481f6f88ec3c80145a657..7d81d703440e9329b122b5284f548bcec4e4f125 100644
--- a/net/quic/crypto/chacha20_poly1305_decrypter.h
+++ b/net/quic/crypto/chacha20_poly1305_decrypter.h
@@ -32,10 +32,10 @@ class NET_EXPORT_PRIVATE ChaCha20Poly1305Decrypter : public AeadBaseDecrypter {
 #if !defined(USE_OPENSSL)
  protected:
   // AeadBaseDecrypter methods:
-  virtual void FillAeadParams(base::StringPiece nonce,
-                              base::StringPiece associated_data,
-                              size_t auth_tag_size,
-                              AeadParams* aead_params) const override;
+  void FillAeadParams(base::StringPiece nonce,
+                      base::StringPiece associated_data,
+                      size_t auth_tag_size,
+                      AeadParams* aead_params) const override;
 #endif
 
  private: