Update net/third_party/nss to NSS 3.15.4.

net/third_party/nss/patches/didhandshakeresume.patch

Index: net/third_party/nss/patches/didhandshakeresume.patch
===================================================================
--- net/third_party/nss/patches/didhandshakeresume.patch	(revision 242942)
+++ net/third_party/nss/patches/didhandshakeresume.patch	(working copy)
@@ -1,7 +1,7 @@
 diff -pu a/nss/lib/ssl/ssl.h b/nss/lib/ssl/ssl.h
---- a/nss/lib/ssl/ssl.h	2013-07-31 12:40:14.503586299 -0700
-+++ b/nss/lib/ssl/ssl.h	2013-07-31 12:40:37.913929474 -0700
-@@ -940,6 +940,9 @@ SSL_IMPORT SECStatus SSL_HandshakeNegoti
+--- a/nss/lib/ssl/ssl.h	2014-01-03 19:31:09.783859095 -0800
++++ b/nss/lib/ssl/ssl.h	2014-01-03 19:31:19.214013263 -0800
+@@ -967,6 +967,9 @@ SSL_IMPORT SECStatus SSL_HandshakeNegoti
                                                        SSLExtensionType extId,
                                                        PRBool *yes);
  
@@ -12,9 +12,9 @@
  ** How long should we wait before retransmitting the next flight of
  ** the DTLS handshake? Returns SECFailure if not DTLS or not in a
 diff -pu a/nss/lib/ssl/sslsock.c b/nss/lib/ssl/sslsock.c
---- a/nss/lib/ssl/sslsock.c	2013-07-31 12:40:14.503586299 -0700
-+++ b/nss/lib/ssl/sslsock.c	2013-07-31 12:40:37.913929474 -0700
-@@ -1919,6 +1919,20 @@ SSL_PeerStapledOCSPResponses(PRFileDesc
+--- a/nss/lib/ssl/sslsock.c	2014-01-03 19:31:09.783859095 -0800
++++ b/nss/lib/ssl/sslsock.c	2014-01-03 19:31:19.214013263 -0800
+@@ -1833,6 +1833,20 @@ SSL_PeerStapledOCSPResponses(PRFileDesc
      return &ss->sec.ci.sid->peerCertStatus;
  }