00212 {
00213     if (m_browser.expired())
00214         return;
00215 
00216     NpapiBrowserHostPtr browser(getHost());
00217     if (!browser->isMainThread()) {
00218         return browser->CallOnMainThread(boost::bind((FB::RemovePropertyType)&JSAPI::RemoveProperty, this, propertyName));
00219     }
00220     if (is_JSAPI) {
00221         FB::JSAPIPtr tmp = inner.lock();
00222         if (tmp)
00223             return tmp->RemoveProperty(propertyName);
00224         else 
00225             return /*false*/;
00226     }
00227     if (!browser->RemoveProperty(obj, browser->GetStringIdentifier(propertyName.c_str()))) {
00228         throw script_error(propertyName.c_str());
00229     }
00230 }