Updating the code example in FunctionTemplate class documentation

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 83da77b3d145f2b3532c366306d5ff063da17805..ad78922ee8c6d4a3d95c56ce54312b00032f18cf 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -4417,17 +4417,21 @@ typedef bool (*AccessCheckCallback)(Local<Context> accessing_context,
  * The following example shows how to use a FunctionTemplate:
  *
  * \code
- *    v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New();
- *    t->Set("func_property", v8::Number::New(1));
+ *    v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(isolate);
+ *    t->Set(isolate, "func_property", v8::Number::New(isolate, 1));
  *
  *    v8::Local<v8::Template> proto_t = t->PrototypeTemplate();
- *    proto_t->Set("proto_method", v8::FunctionTemplate::New(InvokeCallback));
- *    proto_t->Set("proto_const", v8::Number::New(2));
+ *    proto_t->Set(isolate,
+ *                 "proto_method",
+ *                 v8::FunctionTemplate::New(isolate, InvokeCallback));
+ *    proto_t->Set(isolate, "proto_const", v8::Number::New(isolate, 2));
  *
  *    v8::Local<v8::ObjectTemplate> instance_t = t->InstanceTemplate();
- *    instance_t->SetAccessor("instance_accessor", InstanceAccessorCallback);
- *    instance_t->SetNamedPropertyHandler(PropertyHandlerCallback, ...);
- *    instance_t->Set("instance_property", Number::New(3));
+ *    instance_t->SetAccessor(String::NewFromUtf8(isolate, "instance_accessor"),
+ *                            InstanceAccessorCallback);
+ *    instance_t->SetNamedPropertyHandler(PropertyHandlerCallback);
+ *    instance_t->Set(String::NewFromUtf8(isolate, "instance_property"),
+ *                    Number::New(isolate, 3));
  *
  *    v8::Local<v8::Function> function = t->GetFunction();
  *    v8::Local<v8::Object> instance = function->NewInstance();