Update NSS to 3.16.4. Updated to Chromium's copy of NSS at revision 291806

dart/runtime/bin/secure_socket.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/secure_socket.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <stdio.h>
@@ skipping 924 matching lines @@
 intptr_t SSLFilter::ProcessWriteEncryptedBuffer(int start, int end) {
   int length = end - start;
   int bytes_processed = 0;
   if (length > 0) {
     uint8_t* buffer = buffers_[kWriteEncrypted];
     const uint8_t* buf1;
     const uint8_t* buf2;
     unsigned int len1;
     unsigned int len2;
     memio_Private* secret = memio_GetSecret(filter_);
-    memio_GetWriteParams(secret, &buf1, &len1, &buf2, &len2);
+    int status = memio_GetWriteParams(secret, &buf1, &len1, &buf2, &len2);
+    if (status != 0) {
+      return -1;
+    }
     int bytes_to_send =
         dart::Utils::Minimum(len1, static_cast<unsigned>(length));
     if (bytes_to_send > 0) {
       memmove(buffer + start, buf1, bytes_to_send);
       bytes_processed = bytes_to_send;
     }
     bytes_to_send = dart::Utils::Minimum(len2,
         static_cast<unsigned>(length - bytes_processed));
     if (bytes_to_send > 0) {
       memmove(buffer + start + bytes_processed, buf2, bytes_to_send);
       bytes_processed += bytes_to_send;
     }
     if (bytes_processed > 0) {
       memio_PutWriteResult(secret, bytes_processed);
     }
   }
   return bytes_processed;
 }
 
 }  // namespace bin
 }  // namespace dart