webkit needs to call nss to pull in nspr headers
--- a/src/webkit/glue/webkit_glue.gypi
+++ b/src/webkit/glue/webkit_glue.gypi
@@ -359,6 +359,7 @@
         ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
           'dependencies': [
             '<(DEPTH)/build/linux/system.gyp:gtk',
+            '<(DEPTH)/build/linux/system.gyp:nss',
           ],
           'sources!': [
             'plugins/plugin_stubs.cc',