Introduce a new AccessorPair type for handling JavaScript accessors.

src/factory.cc

 // Copyright 2011 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 113 matching lines @@
     int deopt_entry_count,
     PretenureFlag pretenure) {
   ASSERT(deopt_entry_count > 0);
   CALL_HEAP_FUNCTION(isolate(),
                      DeoptimizationOutputData::Allocate(deopt_entry_count,
                                                         pretenure),
                      DeoptimizationOutputData);
 }
 
 
+Handle<AccessorPair> Factory::NewAccessorPair() {
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->AllocateAccessorPair(),
+                     AccessorPair);
+}
+
+
 // Symbols are created in the old generation (data space).
 Handle<String> Factory::LookupSymbol(Vector<const char> string) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->LookupSymbol(string),
                      String);
 }
 
 // Symbols are created in the old generation (data space).
 Handle<String> Factory::LookupSymbol(Handle<String> string) {
   CALL_HEAP_FUNCTION(isolate(),
@@ skipping 1240 matching lines @@
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return Handle<Object>(value
                         ? isolate()->heap()->true_value()
                         : isolate()->heap()->false_value());
 }
 
 
 } }  // namespace v8::internal