Merge branch '4.3' into 4.4

* 4.3: (23 commits)
  fix merge
  [SecurityBundle] fix return type declarations
  [BrowserKit] fix return type declarations
  [PropertyInfo] fix return type declarations
  [Bridge/Doctrine] fix return type declarations
  [Form] fix return type declarations
  [Console] fix return type declarations
  [Intl] fix return type declarations
  [Templating] fix return type declarations
  [DomCrawler] fix return type declarations
  [Validator] fix return type declarations
  [Process] fix return type declarations
  [Workflow] fix return type declarations
  [Cache] fix return type declarations
  [Serializer] fix return type declarations
  [Translation] fix return type declarations
  [DI] fix return type declarations
  [Config] fix return type declarations
  [HttpKernel] Fix return type declarations
  [Security] Fix return type declarations
  ...

Author: nicolas-grekas

DependencyInjection/FrameworkExtension.php

@@ -2003,9 +2003,7 @@ private function registerMailerConfiguration(array $config, ContainerBuilder $co
     }
 
     /**
-     * Returns the base path for the XSD files.
-     *
-     * @return string The XSD base path
+     * {@inheritdoc}
      */
     public function getXsdValidationBasePath()
     {

Tests/Command/CacheClearCommand/Fixture/TestAppKernel.php

@@ -36,6 +36,13 @@ public function registerContainerConfiguration(LoaderInterface $loader)
         $loader->load(__DIR__.\DIRECTORY_SEPARATOR.'config.yml');
     }
 
+    public function setAnnotatedClassCache(array $annotatedClasses)
+    {
+        $annotatedClasses = array_diff($annotatedClasses, ['Symfony\Bundle\WebProfilerBundle\Controller\ExceptionController', 'Symfony\Bundle\TwigBundle\Controller\ExceptionController']);
+
+        parent::setAnnotatedClassCache($annotatedClasses);
+    }
+
     protected function build(ContainerBuilder $container)
     {
         $container->register('logger', NullLogger::class);

Tests/Functional/ProfilerTest.php

@@ -24,16 +24,16 @@ public function testProfilerIsDisabled($insulate)
         }
 
         $client->request('GET', '/profiler');
-        $this->assertFalse($client->getProfile());
+        $this->assertNull($client->getProfile());
 
         // enable the profiler for the next request
         $client->enableProfiler();
-        $this->assertFalse($client->getProfile());
+        $this->assertNull($client->getProfile());
         $client->request('GET', '/profiler');
         $this->assertIsObject($client->getProfile());
 
         $client->request('GET', '/profiler');
-        $this->assertFalse($client->getProfile());
+        $this->assertNull($client->getProfile());
     }
 
     public function getConfigs()