Cutover v8 to use new style callbacks internally

src/extensions/statistics-extension.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 40 matching lines @@
 }
 
 static void AddNumber(v8::Local<v8::Object> object,
                       intptr_t value,
                       const char* name) {
   object->Set(v8::String::New(name),
               v8::Number::New(static_cast<double>(value)));
 }
 
 
-v8::Handle<v8::Value> StatisticsExtension::GetCounters(
-    const v8::Arguments& args) {
+void StatisticsExtension::GetCounters(
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = Isolate::Current();
   Heap* heap = isolate->heap();
 
   if (args.Length() > 0) {  // GC if first argument evaluates to true.
     if (args[0]->IsBoolean() && args[0]->ToBoolean()->Value()) {
       heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension");
     }
   }
 
   Counters* counters = isolate->counters();
@@ skipping 61 matching lines @@
   AddNumber(result, heap->cell_space()->CommittedMemory(),
             "cell_space_commited_bytes");
   AddNumber(result, heap->lo_space()->Size(),
             "lo_space_live_bytes");
   AddNumber(result, heap->lo_space()->Available(),
             "lo_space_available_bytes");
   AddNumber(result, heap->lo_space()->CommittedMemory(),
             "lo_space_commited_bytes");
   AddNumber(result, heap->amount_of_external_allocated_memory(),
             "amount_of_external_allocated_memory");
-  return result;
+  args.GetReturnValue().Set(result);
 }
 
 
 void StatisticsExtension::Register() {
   static StatisticsExtension statistics_extension;
   static v8::DeclareExtension declaration(&statistics_extension);
 }
 
 } }  // namespace v8::internal