Add QUIC_EXPORT macros

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 05f3bbe6f4043f38655e88557932b488802368d6..f701aa7da3497b67fa17cdf43a857bba68780c95 100644
--- a/net/quic/core/crypto/quic_crypto_proof.h
+++ b/net/quic/core/crypto/quic_crypto_proof.h
@@ -7,12 +7,12 @@
 
 #include <string>
 
-#include "net/base/net_export.h"
+#include "net/quic/platform/api/quic_export.h"
 
 namespace net {
 
 // Contains the crypto-related data provided by ProofSource
-struct NET_EXPORT_PRIVATE QuicCryptoProof {
+struct QUIC_EXPORT_PRIVATE QuicCryptoProof {
   QuicCryptoProof();
 
   // Signature generated by ProofSource