diff --git a/xpcom/base/IIDS.h b/xpcom/base/IIDS.h
index cb2d10b2fc4e..f3301b79e65f 100644
--- a/xpcom/base/IIDS.h
+++ b/xpcom/base/IIDS.h
@@ -1043,13 +1043,13 @@ nsLayoutDebugger = { /* a6cf90f9-15b3-11d2-932e-00805f8add32 */
     0x11d2,
     {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}
   };
-nsDocFactoryImpl = { /* a6cf90fa-15b3-11d2-932e-00805f8add32 */
+nsLayoutDocumentLoaderFactory = { /* a6cf90fa-15b3-11d2-932e-00805f8add32 */
     0xa6cf90fa,
     0x15b3,
     0x11d2,
     {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}
   };
-INTERFACENAME = { /* a6cf90fb-15b3-11d2-932e-00805f8add32 */
+nsIHTMLElementFactory = { /* a6cf90fb-15b3-11d2-932e-00805f8add32 */
     0xa6cf90fb,
     0x15b3,
     0x11d2,
diff --git a/xpcom/src/IIDS.h b/xpcom/src/IIDS.h
index cb2d10b2fc4e..f3301b79e65f 100644
--- a/xpcom/src/IIDS.h
+++ b/xpcom/src/IIDS.h
@@ -1043,13 +1043,13 @@ nsLayoutDebugger = { /* a6cf90f9-15b3-11d2-932e-00805f8add32 */
     0x11d2,
     {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}
   };
-nsDocFactoryImpl = { /* a6cf90fa-15b3-11d2-932e-00805f8add32 */
+nsLayoutDocumentLoaderFactory = { /* a6cf90fa-15b3-11d2-932e-00805f8add32 */
     0xa6cf90fa,
     0x15b3,
     0x11d2,
     {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}
   };
-INTERFACENAME = { /* a6cf90fb-15b3-11d2-932e-00805f8add32 */
+nsIHTMLElementFactory = { /* a6cf90fb-15b3-11d2-932e-00805f8add32 */
     0xa6cf90fb,
     0x15b3,
     0x11d2,