Implemented specialized stubs for API getters. This includes a number...

src/handles.cc

Index: src/handles.cc
===================================================================
--- src/handles.cc	(revision 3149)
+++ src/handles.cc	(working copy)
@@ -105,6 +105,21 @@
 }
 
 
+Address HandleScope::current_extensions_address() {
+  return reinterpret_cast<Address>(&current_.extensions);
+}
+
+
+Address HandleScope::current_next_address() {
+  return reinterpret_cast<Address>(&current_.next);
+}
+
+
+Address HandleScope::current_limit_address() {
+  return reinterpret_cast<Address>(&current_.limit);
+}
+
+
 Handle<FixedArray> AddKeysFromJSArray(Handle<FixedArray> content,
                                       Handle<JSArray> array) {
   CALL_HEAP_FUNCTION(content->AddKeysFromJSArray(*array), FixedArray);