[promises] Move PromiseResolveThenableJob to c++

src/factory.cc

 // Copyright 2014 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/factory.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 74 matching lines @@
       HeapObject);
 }
 
 
 Handle<Box> Factory::NewBox(Handle<Object> value) {
   Handle<Box> result = Handle<Box>::cast(NewStruct(BOX_TYPE));
   result->set_value(*value);
   return result;
 }
 
-
 Handle<PrototypeInfo> Factory::NewPrototypeInfo() {
   Handle<PrototypeInfo> result =
       Handle<PrototypeInfo>::cast(NewStruct(PROTOTYPE_INFO_TYPE));
   result->set_prototype_users(WeakFixedArray::Empty());
   result->set_registry_slot(PrototypeInfo::UNREGISTERED);
   result->set_validity_cell(Smi::FromInt(0));
   result->set_bit_field(0);
   return result;
 }
 
@@ skipping 786 matching lines @@
 }
 
 
 Handle<Struct> Factory::NewStruct(InstanceType type) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateStruct(type),
       Struct);
 }
 
+Handle<PromiseContainer> Factory::NewPromiseContainer(
+    Handle<JSReceiver> thenable, Handle<JSFunction> then,
+    Handle<JSFunction> resolve, Handle<JSFunction> reject,
+    Handle<Object> before_debug_event, Handle<Object> after_debug_event) {
+  Handle<PromiseContainer> result =
+      Handle<PromiseContainer>::cast(NewStruct(PROMISE_CONTAINER_TYPE));
+  result->set_thenable(*thenable);
+  result->set_then(*then);
+  result->set_resolve(*resolve);
+  result->set_reject(*reject);
+  result->set_before_debug_event(*before_debug_event);
+  result->set_after_debug_event(*after_debug_event);
+  return result;
+}
 
 Handle<AliasedArgumentsEntry> Factory::NewAliasedArgumentsEntry(
     int aliased_context_slot) {
   Handle<AliasedArgumentsEntry> entry = Handle<AliasedArgumentsEntry>::cast(
       NewStruct(ALIASED_ARGUMENTS_ENTRY_TYPE));
   entry->set_aliased_context_slot(aliased_context_slot);
   return entry;
 }
 
 
@@ skipping 1622 matching lines @@
     Handle<AccessorInfo> prototype =
         Accessors::FunctionPrototypeInfo(isolate(), attribs);
     AccessorConstantDescriptor d(Handle<Name>(Name::cast(prototype->name())),
                                  prototype, attribs);
     map->AppendDescriptor(&d);
   }
 }
 
 }  // namespace internal
 }  // namespace v8