Revert of Provide accessor for object internal properties that doesn't require debugger to be active

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 6e1123e36bdc41992a5ae7b076fff8ab62104d0f..4f16120df33ddbb4d096c4a3a33820b911986833 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -6090,7 +6090,16 @@
 
 bool Value::IsPromise() const {
   auto self = Utils::OpenHandle(this);
-  return i::Object::IsPromise(self);
+  if (!self->IsJSObject()) return false;
+  auto js_object = i::Handle<i::JSObject>::cast(self);
+  // Promises can't have access checks.
+  if (js_object->map()->is_access_check_needed()) return false;
+  auto isolate = js_object->GetIsolate();
+  // TODO(dcarney): this should just be read from the symbol registry so as not
+  // to be context dependent.
+  auto key = isolate->promise_status();
+  // Shouldn't be possible to throw here.
+  return i::JSObject::HasRealNamedProperty(js_object, key).FromJust();
 }
 
 
@@ -7385,18 +7394,6 @@
 }
 
 
-MaybeLocal<Array> Debug::GetInternalProperties(Isolate* v8_isolate,
-                                               Local<Value> value) {
-  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
-  ENTER_V8(isolate);
-  i::Handle<i::Object> val = Utils::OpenHandle(*value);
-  i::Handle<i::JSArray> result;
-  if (!i::Runtime::GetInternalProperties(isolate, val).ToHandle(&result))
-    return MaybeLocal<Array>();
-  return Utils::ToLocal(result);
-}
-
-
 Handle<String> CpuProfileNode::GetFunctionName() const {
   i::Isolate* isolate = i::Isolate::Current();
   const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);