HashTable::New() handlified.

test/cctest/test-weaksets.cc

Index: test/cctest/test-weaksets.cc
diff --git a/test/cctest/test-weaksets.cc b/test/cctest/test-weaksets.cc
index 9fa44c826d48626b72bdd65b3afddd67ceb6b3d3..a3a94789736acbfd74af5c956c8aa619eeb5e5f8 100644
--- a/test/cctest/test-weaksets.cc
+++ b/test/cctest/test-weaksets.cc
@@ -43,14 +43,12 @@ static Isolate* GetIsolateFrom(LocalContext* context) {
 
 static Handle<JSWeakSet> AllocateJSWeakSet(Isolate* isolate) {
   Factory* factory = isolate->factory();
-  Heap* heap = isolate->heap();
   Handle<Map> map = factory->NewMap(JS_WEAK_SET_TYPE, JSWeakSet::kSize);
   Handle<JSObject> weakset_obj = factory->NewJSObjectFromMap(map);
   Handle<JSWeakSet> weakset(JSWeakSet::cast(*weakset_obj));
   // Do not use handles for the hash table, it would make entries strong.
-  Object* table_obj = ObjectHashTable::Allocate(heap, 1)->ToObjectChecked();
-  ObjectHashTable* table = ObjectHashTable::cast(table_obj);
-  weakset->set_table(table);
+  Handle<ObjectHashTable> table = ObjectHashTable::New(isolate, 1);
+  weakset->set_table(*table);
   weakset->set_next(Smi::FromInt(0));
   return weakset;
 }