Add MicrotasksPolicy parameter on MicrotaskQueue constructor

MicrotasksPolicy was a missing functionality of MicrotaskQueue that
was available on the per-Isolate MicrotaskQueue.
This expose that as a construction time option.

Change-Id: I22bcc8082ca64552d107ee6db138011654047861
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1559677Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Taiju Tsuiki <tzik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60858}

include/v8.h

@@ -6768,7 +6768,8 @@ class V8_EXPORT MicrotaskQueue {
   /**
    * Creates an empty MicrotaskQueue instance.
    */
-  static std::unique_ptr<MicrotaskQueue> New(Isolate* isolate);
+  static std::unique_ptr<MicrotaskQueue> New(
+      Isolate* isolate, MicrotasksPolicy policy = MicrotasksPolicy::kAuto);
 
   virtual ~MicrotaskQueue() = default;
 

src/api.cc

@@ -8935,8 +8935,12 @@ void v8::Isolate::LocaleConfigurationChangeNotification() {
 }
 
 // static
-std::unique_ptr<MicrotaskQueue> MicrotaskQueue::New(Isolate* isolate) {
-  return i::MicrotaskQueue::New(reinterpret_cast<i::Isolate*>(isolate));
+std::unique_ptr<MicrotaskQueue> MicrotaskQueue::New(Isolate* isolate,
+                                                    MicrotasksPolicy policy) {
+  auto microtask_queue =
+      i::MicrotaskQueue::New(reinterpret_cast<i::Isolate*>(isolate));
+  microtask_queue->set_microtasks_policy(policy);
+  return microtask_queue;
 }
 
 MicrotasksScope::MicrotasksScope(Isolate* isolate, MicrotasksScope::Type type)