Add FunctionTemplate::GetClassName to API.

test/cctest/test-api.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 13052 matching lines @@
 
 
 THREADED_TEST(ObjectProtoToString) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(isolate);
   templ->SetClassName(v8_str("MyClass"));
 
   LocalContext context;
 
+  CHECK_EQ(v8_str("MyClass"), templ->GetClassName());
+
   Local<String> customized_tostring = v8_str("customized toString");
 
   // Replace Object.prototype.toString
   v8_compile("Object.prototype.toString = function() {"
                   "  return 'customized toString';"
                   "}")->Run();
 
   // Normal ToString call should call replaced Object.prototype.toString
   Local<v8::Object> instance = templ->GetFunction()->NewInstance();
   Local<String> value = instance->ToString();
@@ skipping 9806 matching lines @@
   desc = x->GetOwnPropertyDescriptor(v8_str("p1"));
   Local<Function> set =
     Local<Function>::Cast(Local<Object>::Cast(desc)->Get(v8_str("set")));
   Local<Function> get =
     Local<Function>::Cast(Local<Object>::Cast(desc)->Get(v8_str("get")));
   CHECK_EQ(v8_num(13), get->Call(x, 0, NULL));
   Handle<Value> args[] = { v8_num(14) };
   set->Call(x, 1, args);
   CHECK_EQ(v8_num(14), get->Call(x, 0, NULL));
 }