Minor refactors to enable sending an Expect-CT header more easily.

net/quic/core/crypto/quic_crypto_proof.h

Index: net/quic/core/crypto/quic_crypto_proof.h
diff --git a/net/quic/core/crypto/quic_crypto_proof.h b/net/quic/core/crypto/quic_crypto_proof.h
index da83bfebae740fdb4840a9ef1c14b2f6c193e8d2..05f3bbe6f4043f38655e88557932b488802368d6 100644
--- a/net/quic/core/crypto/quic_crypto_proof.h
+++ b/net/quic/core/crypto/quic_crypto_proof.h
@@ -7,14 +7,21 @@
 
 #include <string>
 
+#include "net/base/net_export.h"
+
 namespace net {
 
 // Contains the crypto-related data provided by ProofSource
-struct QuicCryptoProof {
+struct NET_EXPORT_PRIVATE QuicCryptoProof {
+  QuicCryptoProof();
+
   // Signature generated by ProofSource
   std::string signature;
   // SCTList (RFC6962) to be sent to the client, if it supports receiving it.
   std::string leaf_cert_scts;
+  // Should the Expect-CT header be sent on the connection where the
+  // certificate is used.
+  bool send_expect_ct_header;
 };
 
 }  // namespace net