Add FunctionTemplate::GetClassName to API.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 8238922453bfb48130955ebbf8eb8c63e5e72b36..b9678ba764bc53861b0672bd81d6c3e1da2485a9 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -1243,6 +1243,20 @@ void FunctionTemplate::SetClassName(Handle<String> name) {
 }
 
 
+Local<String> FunctionTemplate::GetClassName() {
+  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
+  ENTER_V8(isolate);
+  EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate));

[Yang, 2014/07/09 11:41:50]

Not sure whether we really need the handle scope to get rid of just one extra
handle.

[aandrey, 2014/07/09 11:46:24]

Removed.

+  i::Handle<i::FunctionTemplateInfo> self = Utils::OpenHandle(this);
+  i::Handle<i::Object> name(self->class_name(), isolate);
+  if (name->IsString()) {
+    return scope.Escape(Utils::ToLocal(i::Handle<i::String>::cast(name)));
+  } else {
+    return Local<String>();
+  }
+}
+
+
 void FunctionTemplate::SetHiddenPrototype(bool value) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ENTER_V8(isolate);