Introduce set_the_hole(Isolate*, int) and friends

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 3e812d56e30a87449eaab456869c60f9bad2439a..958adcfa296e76faf37f2f2782bccabf72c8874b 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -183,11 +183,7 @@ Handle<FixedArrayBase> Factory::NewFixedDoubleArrayWithHoles(
   DCHECK(0 <= size);
   Handle<FixedArrayBase> array = NewFixedDoubleArray(size, pretenure);
   if (size > 0) {
-    Handle<FixedDoubleArray> double_array =
-        Handle<FixedDoubleArray>::cast(array);
-    for (int i = 0; i < size; ++i) {
-      double_array->set_the_hole(i);
-    }
+    Handle<FixedDoubleArray>::cast(array)->FillWithHoles(0, size);
   }
   return array;
 }