[promises] Remove unused runtime calls

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"
 #include "src/promise-utils.h"
 
 namespace v8 {
@@ skipping 262 matching lines @@
   return Smi::FromInt(promise->status());
 }
 
 RUNTIME_FUNCTION(Runtime_PromiseResult) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
   return promise->result();
 }
 
-RUNTIME_FUNCTION(Runtime_PromiseDeferred) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
-
-  Handle<Object> deferred(promise->deferred_promise(), isolate);
-  if (deferred->IsUndefined(isolate)) {
-    return isolate->heap()->undefined_value();
-  }
-
-  if (deferred->IsJSObject()) {
-    return *deferred;
-  }
-
-  DCHECK(deferred->IsFixedArray());
-  return *isolate->factory()->NewJSArrayWithElements(
-      Handle<FixedArray>::cast(deferred));
-}
-
-RUNTIME_FUNCTION(Runtime_PromiseRejectReactions) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
-
-  Handle<Object> reject_reactions(promise->reject_reactions(), isolate);
-  if (reject_reactions->IsUndefined(isolate)) {
-    return isolate->heap()->undefined_value();
-  }
-
-  if (reject_reactions->IsJSObject()) {
-    return *reject_reactions;
-  }
-
-  DCHECK(reject_reactions->IsFixedArray());
-  return *isolate->factory()->NewJSArrayWithElements(
-      Handle<FixedArray>::cast(reject_reactions));
-}
-
 RUNTIME_FUNCTION(Runtime_PromiseMarkAsHandled) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(JSPromise, promise, 0);
 
   promise->set_has_handler(true);
   return isolate->heap()->undefined_value();
 }
 
 RUNTIME_FUNCTION(Runtime_PromiseMarkHandledHint) {
@@ skipping 36 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