bug #25016 [HttpKernel] add type-hint for the requestType (Simperfit)

This PR was merged into the 4.0-dev branch.

Discussion
----------

[HttpKernel] add type-hint for the requestType

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | see sensiolabs/SensioFrameworkExtraBundle#530
| License       | MIT

#SymfonyConHackday2017

Commits
-------

62d933d [HttpKernel] add type-hint for the requestType

src/Symfony/Component/HttpKernel/Event/FilterControllerArgumentsEvent.php

@@ -30,7 +30,7 @@ class FilterControllerArgumentsEvent extends FilterControllerEvent
 {
     private $arguments;
 
-    public function __construct(HttpKernelInterface $kernel, callable $controller, array $arguments, Request $request, int $requestType)
+    public function __construct(HttpKernelInterface $kernel, callable $controller, array $arguments, Request $request, ?int $requestType)
     {
         parent::__construct($kernel, $controller, $request, $requestType);
 

src/Symfony/Component/HttpKernel/Event/FilterControllerEvent.php

@@ -29,7 +29,7 @@ class FilterControllerEvent extends KernelEvent
 {
     private $controller;
 
-    public function __construct(HttpKernelInterface $kernel, callable $controller, Request $request, int $requestType)
+    public function __construct(HttpKernelInterface $kernel, callable $controller, Request $request, ?int $requestType)
     {
         parent::__construct($kernel, $request, $requestType);
 

src/Symfony/Component/HttpKernel/Event/KernelEvent.php

@@ -32,7 +32,7 @@ class KernelEvent extends Event
      * @param int                 $requestType The request type the kernel is currently processing; one of
      *                                         HttpKernelInterface::MASTER_REQUEST or HttpKernelInterface::SUB_REQUEST
      */
-    public function __construct(HttpKernelInterface $kernel, Request $request, int $requestType)
+    public function __construct(HttpKernelInterface $kernel, Request $request, ?int $requestType)
     {
         $this->kernel = $kernel;
         $this->request = $request;