Rename the last remnants of the early_data_info extension.

The extension was renamed to just 'early_data' at some point in TLS
1.3's development.

Change-Id: I9d1de10aaeb347237b52a226e9533307f5c269ce
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/38224
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>

ssl/tls13_client.cc

diff --git a/ssl/tls13_client.cc b/ssl/tls13_client.cc
index 12f4738..15c18c2 100644
--- a/ssl/tls13_client.cc
+++ b/ssl/tls13_client.cc
@@ -894,10 +894,10 @@
   }
 
   // Parse out the extensions.
-  bool have_early_data_info = false;
-  CBS early_data_info;
+  bool have_early_data = false;
+  CBS early_data;
   const SSL_EXTENSION_TYPE ext_types[] = {
-      {TLSEXT_TYPE_early_data, &have_early_data_info, &early_data_info},
+      {TLSEXT_TYPE_early_data, &have_early_data, &early_data},
   };
 
   uint8_t alert = SSL_AD_DECODE_ERROR;
@@ -908,9 +908,9 @@
     return false;
   }
 
-  if (have_early_data_info) {
-    if (!CBS_get_u32(&early_data_info, &session->ticket_max_early_data) ||
-        CBS_len(&early_data_info) != 0) {
+  if (have_early_data) {
+    if (!CBS_get_u32(&early_data, &session->ticket_max_early_data) ||
+        CBS_len(&early_data) != 0) {
       ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_DECODE_ERROR);
       OPENSSL_PUT_ERROR(SSL, SSL_R_DECODE_ERROR);
       return false;

ssl/tls13_server.cc

diff --git a/ssl/tls13_server.cc b/ssl/tls13_server.cc
index f6a81d4..abacefc 100644
--- a/ssl/tls13_server.cc
+++ b/ssl/tls13_server.cc
@@ -171,10 +171,10 @@
     }
 
     if (ssl->enable_early_data) {
-      CBB early_data_info;
+      CBB early_data;
       if (!CBB_add_u16(&extensions, TLSEXT_TYPE_early_data) ||
-          !CBB_add_u16_length_prefixed(&extensions, &early_data_info) ||
-          !CBB_add_u32(&early_data_info, session->ticket_max_early_data) ||
+          !CBB_add_u16_length_prefixed(&extensions, &early_data) ||
+          !CBB_add_u32(&early_data, session->ticket_max_early_data) ||
           !CBB_flush(&extensions)) {
         return false;
       }