Replace key_exchange_info with key_exchange_group.

net/ssl/ssl_info.h

Index: net/ssl/ssl_info.h
diff --git a/net/ssl/ssl_info.h b/net/ssl/ssl_info.h
index 6015c24e87295343943208c4408362e8669f6ed6..645e28d8dccab7d0792864763a8ae1b7e923cfb3 100644
--- a/net/ssl/ssl_info.h
+++ b/net/ssl/ssl_info.h
@@ -51,10 +51,6 @@ class NET_EXPORT SSLInfo {
 
   bool is_valid() const { return cert.get() != NULL; }
 
-  // Returns the ID of the (EC)DH group used by the key exchange or zero if
-  // unknown (older cache entries may not store the value) or not applicable.
-  uint16_t GetKeyExchangeGroup() const;
-
   // Adds the specified |error| to the cert status.
   void SetCertError(int error);
 
@@ -86,14 +82,9 @@ class NET_EXPORT SSLInfo {
   // -1 means the security strength is unknown.
   int security_bits;
 
-  // Security information of the SSL connection handshake.
-  // The meaning depends on the cipher used, see BoringSSL's |SSL_SESSION|'s
-  // key_exchange_info for more information.
-  // A zero indicates that the value is unknown.
-  //
-  // This field is deprecated. Use GetKeyExchangeGroup instead. See
-  // https://crbug.com/639421.
-  int key_exchange_info;
+  // The ID of the (EC)DH group used by the key exchange or zero if unknown
+  // (older cache entries may not store the value) or not applicable.
+  uint16_t key_exchange_group;
 
   // Information about the SSL connection itself. See
   // ssl_connection_status_flags.h for values. The protocol version,