Remove obsolete stack trace string in a message object.

src/messages.cc

 // Copyright 2011 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 43 matching lines @@
            loc->start_pos(), str.get());
   }
 }
 
 
 Handle<JSMessageObject> MessageHandler::MakeMessageObject(
     Isolate* isolate,
     const char* type,
     MessageLocation* loc,
     Vector< Handle<Object> > args,
-    Handle<String> stack_trace,
     Handle<JSArray> stack_frames) {
   Factory* factory = isolate->factory();
   Handle<String> type_handle = factory->InternalizeUtf8String(type);
   Handle<FixedArray> arguments_elements =
       factory->NewFixedArray(args.length());
   for (int i = 0; i < args.length(); i++) {
     arguments_elements->set(i, *args[i]);
   }
   Handle<JSArray> arguments_handle =
       factory->NewJSArrayWithElements(arguments_elements);
 
   int start = 0;
   int end = 0;
   Handle<Object> script_handle = factory->undefined_value();
   if (loc) {
     start = loc->start_pos();
     end = loc->end_pos();
     script_handle = GetScriptWrapper(loc->script());
   }
 
-  Handle<Object> stack_trace_handle = stack_trace.is_null()
-      ? Handle<Object>::cast(factory->undefined_value())
-      : Handle<Object>::cast(stack_trace);
-
   Handle<Object> stack_frames_handle = stack_frames.is_null()
       ? Handle<Object>::cast(factory->undefined_value())
       : Handle<Object>::cast(stack_frames);
 
   Handle<JSMessageObject> message =
       factory->NewJSMessageObject(type_handle,
                                   arguments_handle,
                                   start,
                                   end,
                                   script_handle,
-                                  stack_trace_handle,
                                   stack_frames_handle);
 
   return message;
 }
 
 
 void MessageHandler::ReportMessage(Isolate* isolate,
                                    MessageLocation* loc,
                                    Handle<Object> message) {
   // We are calling into embedder's code which can throw exceptions.
@@ skipping 83 matching lines @@
 
 SmartArrayPointer<char> MessageHandler::GetLocalizedMessage(
     Isolate* isolate,
     Handle<Object> data) {
   HandleScope scope(isolate);
   return GetMessage(isolate, data)->ToCString(DISALLOW_NULLS);
 }
 
 
 } }  // namespace v8::internal