Add a boolean |had_context| argument to the TLS ExportKeyingMaterial

net/third_party/nss/README.chromium

 Name: Network Security Services (NSS)
 URL: http://www.mozilla.org/projects/security/pki/nss/
 Version: 3.13.3
 Security Critical: Yes
 
 This directory includes a copy of NSS's libssl from the CVS repo at:
   :pserver:anonymous@cvs-mirror.mozilla.org:/cvsroot
 
 The snapshot was updated to the CVS tag: NSS_3_13_3_RTM
 
@@ skipping 30 matching lines @@
     https://bugzilla.mozilla.org/show_bug.cgi?id=731798
 
   * Support origin bound certificates.
     http://balfanz.github.com/tls-obc-spec/draft-balfanz-tls-obc-00.txt
     patches/origin_bound_certs.patch
 
   * Add a function to implement RFC 5705: Keying Material Exporters for TLS
     This is a reworked version of the patch from
     https://bugzilla.mozilla.org/show_bug.cgi?id=507359
     patches/secret_exporter.patch
+    patches/secret_exporter2.patch
 
   * Add a function to restart a handshake after a client certificate request.
     patches/restartclientauth.patch
 
   * Allow SSL_HandshakeNegotiatedExtension to be called before the handshake
     is finished.
     https://bugzilla.mozilla.org/show_bug.cgi?id=681839
     patches/negotiatedextension.patch
 
   * Support the encrypted client certificates extension.
@@ skipping 11 matching lines @@
   * Fix a buffer length bug and miscellaneous nits in the next protocol 
     negotiation (NPN) functions.
     https://bugzilla.mozilla.org/show_bug.cgi?id=734534
     patches/nextprotocleanup.patch
 
 Apply the patches to NSS by running the patches/applypatches.sh script.  Read
 the comments at the top of patches/applypatches.sh for instructions.
 
 The ssl/bodge directory contains files taken from the NSS repo that we required
 for building libssl outside of its usual build environment.