diff --git a/js/src/xpconnect/idl/nsIXPCScriptable.idl b/js/src/xpconnect/idl/nsIXPCScriptable.idl
new file mode 100644
index 00000000000..547a03750e6
--- /dev/null
+++ b/js/src/xpconnect/idl/nsIXPCScriptable.idl
@@ -0,0 +1 @@
+// placeholder for new file
diff --git a/js/src/xpconnect/public/xpc_map_end.h b/js/src/xpconnect/public/xpc_map_end.h
new file mode 100644
index 00000000000..547a03750e6
--- /dev/null
+++ b/js/src/xpconnect/public/xpc_map_end.h
@@ -0,0 +1 @@
+// placeholder for new file
diff --git a/js/src/xpconnect/src/xpccallcontext.cpp b/js/src/xpconnect/src/xpccallcontext.cpp
new file mode 100644
index 00000000000..547a03750e6
--- /dev/null
+++ b/js/src/xpconnect/src/xpccallcontext.cpp
@@ -0,0 +1 @@
+// placeholder for new file
diff --git a/js/src/xpconnect/src/xpcinlines.h b/js/src/xpconnect/src/xpcinlines.h
new file mode 100644
index 00000000000..547a03750e6
--- /dev/null
+++ b/js/src/xpconnect/src/xpcinlines.h
@@ -0,0 +1 @@
+// placeholder for new file
diff --git a/js/src/xpconnect/src/xpcwrappednativeinfo.cpp b/js/src/xpconnect/src/xpcwrappednativeinfo.cpp
new file mode 100644
index 00000000000..547a03750e6
--- /dev/null
+++ b/js/src/xpconnect/src/xpcwrappednativeinfo.cpp
@@ -0,0 +1 @@
+// placeholder for new file
diff --git a/js/src/xpconnect/src/xpcwrappednativeproto.cpp b/js/src/xpconnect/src/xpcwrappednativeproto.cpp
new file mode 100644
index 00000000000..547a03750e6
--- /dev/null
+++ b/js/src/xpconnect/src/xpcwrappednativeproto.cpp
@@ -0,0 +1 @@
+// placeholder for new file