Handlification of JSArray::SetElementsLength().

src/elements.h

Index: src/elements.h
diff --git a/src/elements.h b/src/elements.h
index bfca9c1f8a6ebf16ba4d0070e4aa08e694be91d3..135e091a6ffe7ed69c97f6119c86a3d1a4235581 100644
--- a/src/elements.h
+++ b/src/elements.h
@@ -109,6 +109,9 @@ class ElementsAccessor {
   // changing array sizes as defined in EcmaScript 5.1 15.4.5.2, i.e. array that
   // have non-deletable elements can only be shrunk to the size of highest
   // element that is non-deletable.
+  MUST_USE_RESULT virtual Handle<Object> SetLength(
+      Handle<JSArray> holder,
+      Handle<Object> new_length) = 0;
   MUST_USE_RESULT virtual MaybeObject* SetLength(JSArray* holder,
                                                  Object* new_length) = 0;