Update net/third_party/nss to NSS 3.15.4.

net/third_party/nss/patches/paddingextensionall.patch

Index: net/third_party/nss/patches/paddingextensionall.patch
===================================================================
--- net/third_party/nss/patches/paddingextensionall.patch	(revision 242942)
+++ net/third_party/nss/patches/paddingextensionall.patch	(working copy)
@@ -1,8 +1,7 @@
-diff --git a/nss/lib/ssl/ssl3ext.c b/nss/lib/ssl/ssl3ext.c
-index cdebcc9..03cf05c 100644
---- a/nss/lib/ssl/ssl3ext.c
-+++ b/nss/lib/ssl/ssl3ext.c
-@@ -2306,7 +2306,11 @@ ssl3_CalculatePaddingExtensionLength(unsigned int clientHelloLength)
+diff -pu a/nss/lib/ssl/ssl3ext.c b/nss/lib/ssl/ssl3ext.c
+--- a/nss/lib/ssl/ssl3ext.c	2014-01-03 19:03:55.557150476 -0800
++++ b/nss/lib/ssl/ssl3ext.c	2014-01-03 19:04:04.597298171 -0800
+@@ -2324,7 +2324,11 @@ ssl3_CalculatePaddingExtensionLength(uns
  				clientHelloLength;
      unsigned int extensionLength;
  
@@ -15,7 +14,7 @@
  	return 0;
      }
  
-@@ -2327,7 +2331,7 @@ ssl3_AppendPaddingExtension(sslSocket *ss, unsigned int extensionLen,
+@@ -2345,7 +2349,7 @@ ssl3_AppendPaddingExtension(sslSocket *s
  			    PRUint32 maxBytes)
  {
      unsigned int paddingLen = extensionLen - 4;