[bootstrapper] extra natives must not use natives syntax.

src/runtime/runtime-test.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 359 matching lines @@
   base::OS::PrintError("abort: %s\n", message->ToCString().get());
   isolate->PrintStack(stderr);
   base::OS::Abort();
   UNREACHABLE();
   return NULL;
 }
 
 
 RUNTIME_FUNCTION(Runtime_NativeScriptsCount) {
   DCHECK(args.length() == 0);
-  return Smi::FromInt(Natives::GetBuiltinsCount() +
-                      ExtraNatives::GetBuiltinsCount());
+  return Smi::FromInt(Natives::GetBuiltinsCount());
 }
 
 
 // Returns V8 version as a string.
 RUNTIME_FUNCTION(Runtime_GetV8Version) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
 
   const char* version_string = v8::V8::GetVersion();
 
@@ skipping 106 matching lines @@
   RUNTIME_FUNCTION(Runtime_HasFixed##Type##Elements) {                        \
     CONVERT_ARG_CHECKED(JSObject, obj, 0);                                    \
     return isolate->heap()->ToBoolean(obj->HasFixed##Type##Elements());       \
   }
 
 TYPED_ARRAYS(FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION)
 
 #undef FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION
 }  // namespace internal
 }  // namespace v8