Reverted 3130-3131 since they don't work on mac.

src/runtime.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 4779 matching lines @@
 
 
 static Object* Runtime_ReThrow(Arguments args) {
   HandleScope scope;
   ASSERT(args.length() == 1);
 
   return Top::ReThrow(args[0]);
 }
 
 
-static Object* Runtime_PromoteScheduledException(Arguments args) {
-  ASSERT_EQ(0, args.length());
-  return Top::PromoteScheduledException();
-}
-
-
 static Object* Runtime_ThrowReferenceError(Arguments args) {
   HandleScope scope;
   ASSERT(args.length() == 1);
 
   Handle<Object> name(args[0]);
   Handle<Object> reference_error =
     Factory::NewReferenceError("not_defined", HandleVector(&name, 1));
   return Top::Throw(*reference_error);
 }
 
@@ skipping 2941 matching lines @@
   ASSERT(args.length() == 2);
   OS::PrintError("abort: %s\n", reinterpret_cast<char*>(args[0]) +
                                     Smi::cast(args[1])->value());
   Top::PrintStack();
   OS::Abort();
   UNREACHABLE();
   return NULL;
 }
 
 
-static Object* Runtime_DeleteHandleScopeExtensions(Arguments args) {
-  ASSERT(args.length() == 0);
-  HandleScope::DeleteExtensions();
-  return Heap::undefined_value();
-}
-
-
 #ifdef DEBUG
 // ListNatives is ONLY used by the fuzz-natives.js in debug mode
 // Exclude the code in release mode.
 static Object* Runtime_ListNatives(Arguments args) {
   ASSERT(args.length() == 0);
   HandleScope scope;
   Handle<JSArray> result = Factory::NewJSArray(0);
   int index = 0;
 #define ADD_ENTRY(Name, argc, ressize)                                       \
   {                                                                          \
@@ skipping 68 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage(false);
   }
 }
 
 
 } }  // namespace v8::internal