new style of property/function callbacks

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 71d86f4ac0e8dc26de4e2bc2b66d7f20ecde97aa..420c81d7cc6377ac8d267716704c5df794728437 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -51,6 +51,7 @@ namespace v8 {
 namespace internal {
 
 class Bootstrapper;
+class CallbackTable;
 class CodeGenerator;
 class CodeRange;
 struct CodeStubInterfaceDescriptor;
@@ -1095,6 +1096,13 @@ class Isolate {
     return sweeper_thread_;
   }
 
+  CallbackTable* callback_table() {
+    return callback_table_;
+  }
+  void set_callback_table(CallbackTable* callback_table) {
+    callback_table_ = callback_table;
+  }
+
   HStatistics* GetHStatistics();
   HTracer* GetHTracer();
 
@@ -1332,6 +1340,7 @@ class Isolate {
   OptimizingCompilerThread optimizing_compiler_thread_;
   MarkingThread** marking_thread_;
   SweeperThread** sweeper_thread_;
+  CallbackTable* callback_table_;
 
   friend class ExecutionAccess;
   friend class HandleScopeImplementer;