Wrap messages implementation in a function.

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 1fbbcb960c019b078588228ee9332d9ad5adf1b9..c3cb87bae4d6e6151eb0ff62cb30cf1ddeb12efe 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -1544,7 +1544,7 @@ void Genesis::InstallNativeFunctions() {
 
   INSTALL_NATIVE(JSFunction, "ToNumber", to_number_fun);
   INSTALL_NATIVE(JSFunction, "ToString", to_string_fun);
-  INSTALL_NATIVE(JSFunction, "ToDetailString", to_detail_string_fun);
+  INSTALL_NATIVE(JSFunction, "$toDetailString", to_detail_string_fun);
   INSTALL_NATIVE(JSFunction, "ToObject", to_object_fun);
   INSTALL_NATIVE(JSFunction, "ToInteger", to_integer_fun);
   INSTALL_NATIVE(JSFunction, "ToUint32", to_uint32_fun);
@@ -2475,7 +2475,7 @@ bool Genesis::InstallSpecialObjects(Handle<Context> native_context) {
                             JSObject::SetOwnPropertyIgnoreAttributes(
                                 handle(native_context->builtins(), isolate),
                                 factory->InternalizeOneByteString(
-                                    STATIC_CHAR_VECTOR("stack_trace_symbol")),
+                                    STATIC_CHAR_VECTOR("$stackTraceSymbol")),
                                 factory->stack_trace_symbol(), NONE),
                             false);