Support for super keyed loads where key is a name.

src/runtime/runtime.cc

Index: src/runtime/runtime.cc
diff --git a/src/runtime/runtime.cc b/src/runtime/runtime.cc
index cf050d33698a576dd675108265687468f28d134f..837f689c223d88d71e84316aff6a8668ccac2638 100644
--- a/src/runtime/runtime.cc
+++ b/src/runtime/runtime.cc
@@ -463,8 +463,7 @@ MaybeHandle<Object> Runtime::GetElementOrCharAt(Isolate* isolate,
 }
 
 
-MUST_USE_RESULT
-static MaybeHandle<Name> ToName(Isolate* isolate, Handle<Object> key) {
+MaybeHandle<Name> Runtime::ToName(Isolate* isolate, Handle<Object> key) {
   if (key->IsName()) {
     return Handle<Name>::cast(key);
   } else {
@@ -1742,23 +1741,6 @@ RUNTIME_FUNCTION(Runtime_ThrowReferenceError) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_ThrowNonMethodError) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 0);
-  THROW_NEW_ERROR_RETURN_FAILURE(
-      isolate, NewReferenceError("non_method", HandleVector<Object>(NULL, 0)));
-}
-
-
-RUNTIME_FUNCTION(Runtime_ThrowUnsupportedSuperError) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 0);
-  THROW_NEW_ERROR_RETURN_FAILURE(
-      isolate,
-      NewReferenceError("unsupported_super", HandleVector<Object>(NULL, 0)));
-}
-
-
 RUNTIME_FUNCTION(Runtime_PromiseRejectEvent) {
   DCHECK(args.length() == 3);
   HandleScope scope(isolate);