Remove LDAP support from NSS.

nss.gyp

Index: nss.gyp
===================================================================
--- nss.gyp	(revision 243121)
+++ nss.gyp	(working copy)
@@ -1071,6 +1071,23 @@
           'include_dirs/': [
             ['exclude', '^nss/lib/libpkix/'],
           ],
+        }, { # else: exclude_nss_libpkix==0
+          # Disable the LDAP code in libpkix.
+          'defines': [
+            'NSS_PKIX_NO_LDAP',
+          ],
+          'sources!': [
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldapcertstore.c',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldapcertstore.h',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldapdefaultclient.c',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldapdefaultclient.h',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldaprequest.c',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldaprequest.h',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldapresponse.c',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldapresponse.h',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldapt.h',
+            'nss/lib/libpkix/pkix_pl_nss/module/pkix_pl_ldaptemplates.c',
+          ],
         }],
         ['target_arch=="ia32"', {
           'sources!': [