bindings: Make some value iterator properties aliases to Array.prototype functions

third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl

Index: third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
diff --git a/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl b/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
index e0807a7bb7f1b50008603ed66e56f95cf9e9afc5..2851b6a677ff63f703dd716a5b6505d1f5547bf3 100644
--- a/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
+++ b/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
@@ -514,6 +514,17 @@ static void install{{v8_class}}Template(v8::Isolate* isolate, const DOMWrapperWo
   {% if has_array_iterator and not is_partial %}
   // Array iterator (@@iterator)
   {%+ if is_global %}instanceTemplate{% else %}prototypeTemplate{% endif %}->SetIntrinsicDataProperty(v8::Symbol::GetIterator(isolate), v8::kArrayProto_values, v8::DontEnum);
+  {% if iterable %}
+  {% if is_global %}
+#error "iterable<V> on [Global] and [PrimaryGlobal] is currently unsupported."
+  {% endif %}
+  // For value iterators, the properties below must originally be set to the corresponding ones in %ArrayPrototype%.
+  // See https://heycam.github.io/webidl/#es-iterators.
+  prototypeTemplate->SetIntrinsicDataProperty(v8AtomicString(isolate, "entries"), v8::kArrayProto_entries);
+  prototypeTemplate->SetIntrinsicDataProperty(v8AtomicString(isolate, "forEach"), v8::kArrayProto_forEach);
+  prototypeTemplate->SetIntrinsicDataProperty(v8AtomicString(isolate, "keys"), v8::kArrayProto_keys);
+  prototypeTemplate->SetIntrinsicDataProperty(v8AtomicString(isolate, "values"), v8::kArrayProto_values);
+  {% endif %}
   {% endif %}
 
   {% if iterator_method %}