Merge branch '3.3' into 3.4

* 3.3:
  [HttpFoundation] Fix bad merge in NativeSessionStorage
  Bump phpunit-bridge requirement to 3.4|4.0
  [Bridge/PhpUnit] Remove trailing "\n" from ClockMock::microtime(false)
  [Form] Rename `FormConfigBuilder::$nativeRequestProcessor` private variable to `::$nativeRequestHandler`
  Add a "link" script to ease debugging Flex apps
  [Form] Add phpdoc to `RequestHandlerInterface::isFileUpload()` method

Author: nicolas-grekas

Extension/HttpFoundation/HttpFoundationRequestHandler.php

@@ -108,6 +108,9 @@ public function handleRequest(FormInterface $form, $request = null)
         $form->submit($data, 'PATCH' !== $method);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isFileUpload($data)
     {
         return $data instanceof File;

FormConfigBuilder.php

@@ -32,7 +32,7 @@ class FormConfigBuilder implements FormConfigBuilderInterface
      *
      * @var NativeRequestHandler
      */
-    private static $nativeRequestProcessor;
+    private static $nativeRequestHandler;
 
     /**
      * The accepted request methods.
@@ -496,10 +496,10 @@ public function getMethod()
     public function getRequestHandler()
     {
         if (null === $this->requestHandler) {
-            if (null === self::$nativeRequestProcessor) {
-                self::$nativeRequestProcessor = new NativeRequestHandler();
+            if (null === self::$nativeRequestHandler) {
+                self::$nativeRequestHandler = new NativeRequestHandler();
             }
-            $this->requestHandler = self::$nativeRequestProcessor;
+            $this->requestHandler = self::$nativeRequestHandler;
         }
 
         return $this->requestHandler;

NativeRequestHandler.php

@@ -118,6 +118,9 @@ public function handleRequest(FormInterface $form, $request = null)
         $form->submit($data, 'PATCH' !== $method);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isFileUpload($data)
     {
         // POST data will always be strings or arrays of strings. Thus, we can be sure

RequestHandlerInterface.php

@@ -27,7 +27,9 @@ interface RequestHandlerInterface
     public function handleRequest(FormInterface $form, $request = null);
 
     /**
-     * @param mixed $data
+     * Returns true if the given data is a file upload.
+     *
+     * @param mixed $data The form field data
      *
      * @return bool
      */