Wrap promise implementation in a function.

src/debug.cc

 // Copyright 2012 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/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 2500 matching lines @@
     OnException(value, promise);
   }
 }
 
 
 MaybeHandle<Object> Debug::PromiseHasUserDefinedRejectHandler(
     Handle<JSObject> promise) {
   Handle<JSFunction> fun = Handle<JSFunction>::cast(
       JSObject::GetDataProperty(isolate_->js_builtins_object(),
                                 isolate_->factory()->NewStringFromStaticChars(
-                                    "PromiseHasUserDefinedRejectHandler")));
+                                    "$promiseHasUserDefinedRejectHandler")));
   return Execution::Call(isolate_, fun, promise, 0, NULL);
 }
 
 
 void Debug::OnException(Handle<Object> exception, Handle<Object> promise) {
   Isolate::CatchType catch_type = isolate_->PredictExceptionCatcher();
   bool uncaught = (catch_type == Isolate::NOT_CAUGHT);
   if (promise->IsJSObject()) {
     Handle<JSObject> jspromise = Handle<JSObject>::cast(promise);
     // Mark the promise as already having triggered a message.
@@ skipping 870 matching lines @@
   logger_->DebugEvent("Put", message.text());
 }
 
 
 void LockingCommandMessageQueue::Clear() {
   base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 } }  // namespace v8::internal