Handle Delete of element with LookupIterator

src/elements.h

Index: src/elements.h
diff --git a/src/elements.h b/src/elements.h
index 1065b1f73df63aa492a766cefa3e309dbbf2bb64..49faeab0dbd04012b87de6d22067e5cb72040b10 100644
--- a/src/elements.h
+++ b/src/elements.h
@@ -102,9 +102,9 @@ class ElementsAccessor {
       int capacity,
       int length) = 0;
 
-  // Deletes an element in an object, returning a new elements backing store.
-  MUST_USE_RESULT virtual MaybeHandle<Object> Delete(
-      Handle<JSObject> holder, uint32_t key, LanguageMode language_mode) = 0;
+  // Deletes an element in an object.
+  virtual void Delete(Handle<JSObject> holder, uint32_t key,
+                      LanguageMode language_mode) = 0;
 
   // If kCopyToEnd is specified as the copy_size to CopyElements, it copies all
   // of elements from source after source_start to the destination array.