[async-await] Move remaining async-await code to TF

src/runtime/runtime-promise.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/runtime/runtime-utils.h"
 
 #include "src/debug/debug.h"
 #include "src/elements.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 180 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_PromiseMarkAsHandled) {
   SealHandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_CHECKED(JSPromise, promise, 0);
 
   promise->set_has_handler(true);
   return isolate->heap()->undefined_value();
 }
 
-RUNTIME_FUNCTION(Runtime_PromiseMarkHandledHint) {
-  SealHandleScope shs(isolate);
-  DCHECK_EQ(1, args.length());
-  CONVERT_ARG_CHECKED(JSPromise, promise, 0);
-
-  promise->set_handled_hint(true);
-  return isolate->heap()->undefined_value();
-}
-
 RUNTIME_FUNCTION(Runtime_PromiseHookInit) {
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, parent, 1);
   isolate->RunPromiseHook(PromiseHookType::kInit, promise, parent);
   return isolate->heap()->undefined_value();
 }
 
 RUNTIME_FUNCTION(Runtime_PromiseHookResolve) {
@@ skipping 18 matching lines @@
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
   isolate->RunPromiseHook(PromiseHookType::kAfter, promise,
                           isolate->factory()->undefined_value());
   return isolate->heap()->undefined_value();
 }
 
 }  // namespace internal
 }  // namespace v8