third_party/openssl: add ChaCha20+Poly1305 support.

openssl/ssl/tls1.h

Index: openssl/ssl/tls1.h
diff --git a/openssl/ssl/tls1.h b/openssl/ssl/tls1.h
index 8fc1ff4565ad4640f721dee7ca671f43be9106fe..0ce0193c582690d7515fb9ab31c0ba3dbccf9dbd 100644
--- a/openssl/ssl/tls1.h
+++ b/openssl/ssl/tls1.h
@@ -522,6 +522,10 @@ SSL_CTX_callback_ctrl(ssl,SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB,(void (*)(void))cb)
 #define TLS1_CK_ECDH_RSA_WITH_AES_128_GCM_SHA256        0x0300C031
 #define TLS1_CK_ECDH_RSA_WITH_AES_256_GCM_SHA384        0x0300C032
 
+#define TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305		0x0300CC13
+#define TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305		0x0300CC14
+#define TLS1_CK_DHE_RSA_CHACHA20_POLY1305		0x0300CC15
+
 /* XXX
  * Inconsistency alert:
  * The OpenSSL names of ciphers with ephemeral DH here include the string
@@ -673,6 +677,10 @@ SSL_CTX_callback_ctrl(ssl,SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB,(void (*)(void))cb)
 #define TLS1_TXT_ECDH_RSA_WITH_AES_128_GCM_SHA256       "ECDH-RSA-AES128-GCM-SHA256"
 #define TLS1_TXT_ECDH_RSA_WITH_AES_256_GCM_SHA384       "ECDH-RSA-AES256-GCM-SHA384"
 
+#define TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305	"ECDHE-RSA-CHACHA20-POLY1305"
+#define TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305	"ECDHE-ECDSA-CHACHA20-POLY1305"
+#define TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305		"DHE-RSA-CHACHA20-POLY1305"
+
 #define TLS_CT_RSA_SIGN			1
 #define TLS_CT_DSS_SIGN			2
 #define TLS_CT_RSA_FIXED_DH		3