ES6 symbols: Allow symbols as property names

src/factory.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 52 matching lines @@
 Handle<FixedDoubleArray> Factory::NewFixedDoubleArray(int size,
                                                       PretenureFlag pretenure) {
   ASSERT(0 <= size);
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateUninitializedFixedDoubleArray(size, pretenure),
       FixedDoubleArray);
 }
 
 
-Handle<StringDictionary> Factory::NewStringDictionary(int at_least_space_for) {
+Handle<NameDictionary> Factory::NewNameDictionary(int at_least_space_for) {
   ASSERT(0 <= at_least_space_for);
   CALL_HEAP_FUNCTION(isolate(),
-                     StringDictionary::Allocate(at_least_space_for),
-                     StringDictionary);
+                     NameDictionary::Allocate(at_least_space_for),
+                     NameDictionary);
 }
 
 
 Handle<SeededNumberDictionary> Factory::NewSeededNumberDictionary(
     int at_least_space_for) {
   ASSERT(0 <= at_least_space_for);
   CALL_HEAP_FUNCTION(isolate(),
                      SeededNumberDictionary::Allocate(at_least_space_for),
                      SeededNumberDictionary);
 }
@@ skipping 1365 matching lines @@
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return Handle<Object>(value
                         ? isolate()->heap()->true_value()
                         : isolate()->heap()->false_value());
 }
 
 
 } }  // namespace v8::internal