Log extra information when the SSL handshake completes.

I've gotten pretty good at extracting this from the logs when there is
data associated with it, but it's kind of silly to have to do that.

BUG=484695

Review-Url: https://codereview.chromium.org/1928713002
Cr-Commit-Position: refs/heads/master@{#390174}
diff --git a/net/socket/ssl_client_socket_impl.h b/net/socket/ssl_client_socket_impl.h
index b96e456..5fa3367 100644
--- a/net/socket/ssl_client_socket_impl.h
+++ b/net/socket/ssl_client_socket_impl.h
@@ -239,6 +239,8 @@
                         size_t contents_len,
                         int* out_alert_value);
 
+  void LogConnectEndEvent(int rv);
+
   bool transport_send_busy_;
   bool transport_recv_busy_;