Fix stack trace accessor behavior.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 831f76dd778d77e88af030d9cebd32710bc93c26..39520343631e9529b43fb61a5d4cb0fd75871095 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -14442,30 +14442,15 @@ RUNTIME_FUNCTION(Runtime_GetScript) {
 // native code offset.
 RUNTIME_FUNCTION(Runtime_CollectStackTrace) {
   HandleScope scope(isolate);
-  ASSERT(args.length() == 3);
+  ASSERT(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, error_object, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, caller, 1);
-  CONVERT_NUMBER_CHECKED(int32_t, limit, Int32, args[2]);
 
   // Optionally capture a more detailed stack trace for the message.
   isolate->CaptureAndSetDetailedStackTrace(error_object);
   // Capture a simple stack trace for the stack property.
-  return *isolate->CaptureSimpleStackTrace(error_object, caller, limit);
-}
-
-
-// Retrieve the stack trace.  This is the raw stack trace that yet has to
-// be formatted.  Since we only need this once, clear it afterwards.
-RUNTIME_FUNCTION(Runtime_GetAndClearOverflowedStackTrace) {
-  HandleScope scope(isolate);
-  ASSERT(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, error_object, 0);
-  Handle<String> key = isolate->factory()->hidden_stack_trace_string();
-  Handle<Object> result(error_object->GetHiddenProperty(key), isolate);
-  if (result->IsTheHole()) return isolate->heap()->undefined_value();
-  RUNTIME_ASSERT(result->IsJSArray() || result->IsUndefined());
-  JSObject::DeleteHiddenProperty(error_object, key);
-  return *result;
+  isolate->CaptureAndSetSimpleStackTrace(error_object, caller);
+  return isolate->heap()->undefined_value();
 }