Get net_unittests working on Windows BoringSSL port.

net/ssl/openssl_client_key_store.h

Index: net/ssl/openssl_client_key_store.h
diff --git a/net/ssl/openssl_client_key_store.h b/net/ssl/openssl_client_key_store.h
index 6c061484a92da9e1130d8cb64a001eb374602fb4..bba19a3116949f5a75bf32f3497d32bae053a96e 100644
--- a/net/ssl/openssl_client_key_store.h
+++ b/net/ssl/openssl_client_key_store.h
@@ -43,8 +43,8 @@ class NET_EXPORT OpenSSLClientKeyStore {
   // Returns false if an error occured.
   // This function does not take ownership of the private_key, but may
   // increment its internal reference count.
-  NET_EXPORT bool RecordClientCertPrivateKey(const X509Certificate* cert,
-                                             EVP_PKEY* private_key);
+  bool RecordClientCertPrivateKey(const X509Certificate* cert,
+                                  EVP_PKEY* private_key);
 
   // Given a certificate's |public_key|, return the corresponding private
   // key that has been recorded previously by RecordClientCertPrivateKey().