[es6] Remove left-overs from Function.prototype.toMethod.

src/runtime/runtime-classes.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include <stdlib.h>
 #include <limits>
 
 #include "src/arguments.h"
@@ skipping 56 matching lines @@
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Name, name, 0);
   if (Name::Equals(name, isolate->factory()->prototype_string())) {
     return ThrowStaticPrototypeError(isolate);
   }
   return *name;
 }
 
 
-RUNTIME_FUNCTION(Runtime_ToMethod) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, fun, 0);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
-  Handle<JSFunction> clone = JSFunction::CloneClosure(fun);
-  Handle<Symbol> home_object_symbol(isolate->factory()->home_object_symbol());
-  JSObject::SetOwnPropertyIgnoreAttributes(clone, home_object_symbol,
-                                           home_object, DONT_ENUM).Assert();
-  return *clone;
-}
-
-
 RUNTIME_FUNCTION(Runtime_HomeObjectSymbol) {
   DCHECK(args.length() == 0);
   return isolate->heap()->home_object_symbol();
 }
 
 
 static MaybeHandle<Object> DefineClass(Isolate* isolate, Handle<Object> name,
                                        Handle<Object> super_class,
                                        Handle<JSFunction> constructor,
                                        int start_position, int end_position) {
@@ skipping 423 matching lines @@
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result,
       Execution::New(isolate, super_constructor, original_constructor,
                      argument_count, arguments.get()));
 
   return *result;
 }
 
 }  // namespace internal
 }  // namespace v8