[promises] Add AllocatePromiseResolveThenableJobInfo to TF

src/promise-utils.cc

 // Copyright 2016 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/promise-utils.h"
 
 #include "src/factory.h"
 #include "src/isolate.h"
 #include "src/objects-inl.h"
 
 namespace v8 {
 namespace internal {
 
 JSPromise* PromiseUtils::GetPromise(Handle<Context> context) {
   return JSPromise::cast(context->get(kPromiseSlot));
 }
 
 Object* PromiseUtils::GetDebugEvent(Handle<Context> context) {
   return context->get(kDebugEventSlot);
 }
 
 bool PromiseUtils::HasAlreadyVisited(Handle<Context> context) {
   return Smi::cast(context->get(kAlreadyVisitedSlot))->value() != 0;
 }
 
 void PromiseUtils::SetAlreadyVisited(Handle<Context> context) {
   context->set(kAlreadyVisitedSlot, Smi::FromInt(1));
 }
 
-void PromiseUtils::CreateResolvingFunctions(Isolate* isolate,
-                                            Handle<JSObject> promise,
-                                            Handle<Object> debug_event,
-                                            Handle<JSFunction>* resolve,
-                                            Handle<JSFunction>* reject) {
-  DCHECK(debug_event->IsTrue(isolate) || debug_event->IsFalse(isolate));
-  Handle<Context> context =
-      isolate->factory()->NewPromiseResolvingFunctionContext(
-          kPromiseContextLength);
-  context->set_native_context(*isolate->native_context());
-  // We set the closure to be an empty function, same as native context.
-  context->set_closure(isolate->native_context()->closure());
-  context->set(kAlreadyVisitedSlot, Smi::kZero);
-  context->set(kPromiseSlot, *promise);
-  context->set(kDebugEventSlot, *debug_event);
-
-  Handle<SharedFunctionInfo> resolve_shared_fun(
-      isolate->native_context()->promise_resolve_shared_fun(), isolate);
-  Handle<JSFunction> resolve_fun =
-      isolate->factory()->NewFunctionFromSharedFunctionInfo(
-          isolate->sloppy_function_without_prototype_map(), resolve_shared_fun,
-          isolate->native_context(), TENURED);
-
-  Handle<SharedFunctionInfo> reject_shared_fun(
-      isolate->native_context()->promise_reject_shared_fun(), isolate);
-  Handle<JSFunction> reject_fun =
-      isolate->factory()->NewFunctionFromSharedFunctionInfo(
-          isolate->sloppy_function_without_prototype_map(), reject_shared_fun,
-          isolate->native_context(), TENURED);
-
-  resolve_fun->set_context(*context);
-  reject_fun->set_context(*context);
-
-  *resolve = resolve_fun;
-  *reject = reject_fun;
-}
-
 }  // namespace internal
 }  // namespace v8