Update net/third_party/nss to NSS_3_15_5_BETA2.

net/third_party/nss/patches/didhandshakeresume.patch

 diff -pu a/nss/lib/ssl/ssl.h b/nss/lib/ssl/ssl.h
---- 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
+--- a/nss/lib/ssl/ssl.h 2014-01-17 17:52:46.715854283 -0800
++++ b/nss/lib/ssl/ssl.h 2014-01-17 17:53:20.876422375 -0800
+@@ -997,6 +997,9 @@ SSL_IMPORT SECStatus SSL_HandshakeNegoti
                                                        SSLExtensionType extId,
                                                        PRBool *yes);
  
 +SSL_IMPORT SECStatus SSL_HandshakeResumedSession(PRFileDesc *fd,
 +                                                 PRBool *last_handshake_resumed);
 +
  /*
  ** 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     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
+--- a/nss/lib/ssl/sslsock.c     2014-01-17 17:52:46.715854283 -0800
++++ b/nss/lib/ssl/sslsock.c     2014-01-17 17:53:20.876422375 -0800
+@@ -1855,6 +1855,20 @@ SSL_PeerStapledOCSPResponses(PRFileDesc
      return &ss->sec.ci.sid->peerCertStatus;
  }
  
 +SECStatus
 +SSL_HandshakeResumedSession(PRFileDesc *fd, PRBool *handshake_resumed) {
 +    sslSocket *ss = ssl_FindSocket(fd);
 +
 +    if (!ss) {
 +       SSL_DBG(("%d: SSL[%d]: bad socket in SSL_HandshakeResumedSession",
 +                SSL_GETPID(), fd));
 +       return SECFailure;
 +    }
 +
 +    *handshake_resumed = ss->ssl3.hs.isResuming;
 +    return SECSuccess;
 +}
 +
  /************************************************************************/
  /* The following functions are the TOP LEVEL SSL functions.
  ** They all get called through the NSPRIOMethods table below.