Remove abstract class and use Interface+Trait

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Controller/Controller.php
	src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/FormLoginBundle/Controller/LocalizedController.php
	src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/FormLoginBundle/Controller/LoginController.php
	src/Symfony/Component/DependencyInjection/ContainerAware.php

src/Symfony/Bundle/FrameworkBundle/Controller/Controller.php

@@ -11,11 +11,12 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Controller;
 
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\StreamedResponse;
-use Symfony\Component\DependencyInjection\ContainerAware;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
@@ -35,8 +36,10 @@ use Doctrine\Bundle\DoctrineBundle\Registry;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-abstract class Controller extends ContainerAware
+abstract class Controller implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     /**
      * Generates a URL from the given parameters.
      *

src/Symfony/Bundle/FrameworkBundle/Controller/RedirectController.php

@@ -11,7 +11,8 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Controller;
 
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -23,8 +24,10 @@ use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class RedirectController extends ContainerAware
+class RedirectController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     /**
      * Redirects to another route with the given name.
      *

src/Symfony/Bundle/FrameworkBundle/Controller/TemplateController.php

@@ -11,7 +11,8 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Controller;
 
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Response;
 
 /**
@@ -19,8 +20,10 @@ use Symfony\Component\HttpFoundation\Response;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class TemplateController extends ContainerAware
+class TemplateController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     /**
      * Renders a template.
      *

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/FragmentController.php

@@ -11,12 +11,15 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\TestBundle\Controller;
 
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\DependencyInjection\ContainerAware;
 
-class FragmentController extends ContainerAware
+class FragmentController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     public function indexAction(Request $request)
     {
         return $this->container->get('templating')->renderResponse('fragment.html.php', array('bar' => new Bar()));

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/ProfilerController.php

@@ -11,11 +11,14 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\TestBundle\Controller;
 
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\DependencyInjection\ContainerAware;
 
-class ProfilerController extends ContainerAware
+class ProfilerController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     public function indexAction()
     {
         return new Response('Hello');

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/SessionController.php

@@ -11,13 +11,16 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\TestBundle\Controller;
 
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\RedirectResponse;
-use Symfony\Component\DependencyInjection\ContainerAware;
 
-class SessionController extends ContainerAware
+class SessionController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     public function welcomeAction(Request $request, $name = null)
     {
         $session = $request->getSession();

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/SubRequestController.php

@@ -11,13 +11,16 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\TestBundle\Controller;
 
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\DependencyInjection\ContainerAware;
 use Symfony\Component\HttpKernel\Controller\ControllerReference;
 
-class SubRequestController extends ContainerAware
+class SubRequestController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     public function indexAction()
     {
         $handler = $this->container->get('fragment.handler');

src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/CsrfFormLoginBundle/Controller/LoginController.php

@@ -11,12 +11,15 @@
 
 namespace Symfony\Bundle\SecurityBundle\Tests\Functional\Bundle\CsrfFormLoginBundle\Controller;
 
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
 
-class LoginController extends ContainerAware
+class LoginController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     public function loginAction()
     {
         $form = $this->container->get('form.factory')->create('Symfony\Bundle\SecurityBundle\Tests\Functional\Bundle\CsrfFormLoginBundle\Form\UserLoginType');

src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/FormLoginBundle/Controller/LocalizedController.php

@@ -11,13 +11,16 @@
 
 namespace Symfony\Bundle\SecurityBundle\Tests\Functional\Bundle\FormLoginBundle\Controller;
 
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\Security\Core\Security;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\DependencyInjection\ContainerAware;
 
-class LocalizedController extends ContainerAware
+class LocalizedController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     public function loginAction(Request $request)
     {
         // get the login error if there is one

src/Symfony/Bundle/SecurityBundle/Tests/Functional/Bundle/FormLoginBundle/Controller/LoginController.php

@@ -11,14 +11,17 @@
 
 namespace Symfony\Bundle\SecurityBundle\Tests\Functional\Bundle\FormLoginBundle\Controller;
 
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Security\Core\Security;
-use Symfony\Component\DependencyInjection\ContainerAware;
 
-class LoginController extends ContainerAware
+class LoginController implements ContainerAwareInterface
 {
+    use ContainerAwareTrait;
+
     public function loginAction(Request $request)
     {
         // get the login error if there is one

src/Symfony/Component/HttpKernel/Bundle/Bundle.php

@@ -11,7 +11,8 @@
 
 namespace Symfony\Component\HttpKernel\Bundle;
 
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\Console\Application;
@@ -24,8 +25,10 @@ use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-abstract class Bundle extends ContainerAware implements BundleInterface
+abstract class Bundle implements BundleInterface
 {
+    use ContainerAwareTrait;
+
     protected $name;
     protected $extension;
     protected $path;