Wrap messages implementation in a function.

src/messages.cc

 // Copyright 2011 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/v8.h"
 
 #include "src/api.h"
 #include "src/execution.h"
 #include "src/heap/spaces-inl.h"
 #include "src/messages.h"
@@ skipping 113 matching lines @@
       }
     }
   }
 }
 
 
 Handle<String> MessageHandler::GetMessage(Isolate* isolate,
                                           Handle<Object> data) {
   Factory* factory = isolate->factory();
   Handle<String> fmt_str =
-      factory->InternalizeOneByteString(STATIC_CHAR_VECTOR("FormatMessage"));
+      factory->InternalizeOneByteString(STATIC_CHAR_VECTOR("$formatMessage"));
   Handle<JSFunction> fun = Handle<JSFunction>::cast(Object::GetProperty(
           isolate->js_builtins_object(), fmt_str).ToHandleChecked());
   Handle<JSMessageObject> message = Handle<JSMessageObject>::cast(data);
   Handle<Object> argv[] = { Handle<Object>(message->type(), isolate),
                             Handle<Object>(message->arguments(), isolate) };
 
   MaybeHandle<Object> maybe_result = Execution::TryCall(
       fun, isolate->js_builtins_object(), arraysize(argv), argv);
   Handle<Object> result;
   if (!maybe_result.ToHandle(&result) || !result->IsString()) {
@@ skipping 47 matching lines @@
       DCHECK(i < arraysize(args));
       builder.AppendString(args[i++]);
     } else {
       builder.AppendCharacter(*c);
     }
   }
 
   return builder.Finish();
 }
 } }  // namespace v8::internal