fix missing code

DependencyInjection/PhpMobReCaptchaExtension.php

@@ -15,14 +15,23 @@
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\DependencyInjection\Loader;
 
 /**
  * @author Ishmael Doss <nukboon@gmail.com>
  */
-class PhpMobReCaptchaExtension extends Extension
+class PhpMobReCaptchaExtension extends Extension implements PrependExtensionInterface
 {
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlias()
+    {
+        return 'phpmob_recaptcha';
+    }
+
     /**
      * {@inheritdoc}
      */

Form/Type/RecaptchaType.php

@@ -53,6 +53,7 @@ public function getParent()
     public function buildView(FormView $view, FormInterface $form, array $options)
     {
         $view->vars['site_key'] = $this->siteKey;
+        $view->vars['theme'] = $this->theme;
     }
 
     /**

PhpMobReCaptchaBundle.php

@@ -13,11 +13,16 @@
 
 namespace PhpMob\ReCaptchaBundle;
 
+use PhpMob\ReCaptchaBundle\DependencyInjection\PhpMobReCaptchaExtension;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 
 /**
  * @author Ishmael Doss <nukboon@gmail.com>
  */
 class PhpMobReCaptchaBundle extends Bundle
 {
+    public function __construct()
+    {
+        $this->extension = new PhpMobReCaptchaExtension();
+    }
 }