[bootstrapper] extra natives must not use natives syntax.

src/bootstrapper.h

Index: src/bootstrapper.h
diff --git a/src/bootstrapper.h b/src/bootstrapper.h
index 7d2c14fd22037c3936b2cf13caf43e3b3bfd51f5..d1bf2011399d5204573ecdefb6eafc29f59ec127 100644
--- a/src/bootstrapper.h
+++ b/src/bootstrapper.h
@@ -109,7 +109,7 @@ class Bootstrapper final {
 
   static bool CompileNative(Isolate* isolate, Vector<const char> name,
                             Handle<String> source, int argc,
-                            Handle<Object> argv[]);
+                            Handle<Object> argv[], NativesFlag natives_flag);
   static bool CompileBuiltin(Isolate* isolate, int index);
   static bool CompileExperimentalBuiltin(Isolate* isolate, int index);
   static bool CompileExtraBuiltin(Isolate* isolate, int index);