diff --git a/dom/plugins/base/npapi.h b/dom/plugins/base/npapi.h
index ccf41be7c4b..e5baad9cec8 100644
--- a/dom/plugins/base/npapi.h
+++ b/dom/plugins/base/npapi.h
@@ -411,7 +411,9 @@ typedef enum {
 
   NPNVprivateModeBool = 18,
 
-  NPNVsupportsAdvancedKeyHandling = 21
+  NPNVsupportsAdvancedKeyHandling = 21,
+
+  NPNVdocumentOrigin = 22
 
 #if defined(XP_MACOSX)
   /* Used for negotiating drawing models */
diff --git a/dom/plugins/base/nptypes.h b/dom/plugins/base/nptypes.h
index 7cf89c2ddbb..abcc96be0d5 100644
--- a/dom/plugins/base/nptypes.h
+++ b/dom/plugins/base/nptypes.h
@@ -55,7 +55,7 @@
   typedef unsigned int uint32_t;
   typedef long long int64_t;
   typedef unsigned long long uint64_t;
-#elif defined(_AIX) || defined(__sun) || defined(__osf__) || defined(HPUX)
+#elif defined(_AIX) || defined(__sun) || defined(__osf__) || defined(IRIX) || defined(HPUX)
   /*
    * AIX and SunOS ship a inttypes.h header that defines [u]int32_t,
    * but not bool for C.