removed some Form deprecation notices

Author: fabpot

Extension/DataCollector/Type/DataCollectorTypeExtension.php

@@ -49,6 +49,6 @@ public function buildForm(FormBuilderInterface $builder, array $options)
      */
     public function getExtendedType()
     {
-        return 'form';
+        return 'Symfony\Component\Form\Extension\Core\Type\FormType';
     }
 }

Extension/HttpFoundation/Type/FormTypeHttpFoundationExtension.php

@@ -55,6 +55,6 @@ public function buildForm(FormBuilderInterface $builder, array $options)
      */
     public function getExtendedType()
     {
-        return 'form';
+        return 'Symfony\Component\Form\Extension\Core\Type\FormType';
     }
 }

Tests/Extension/DataCollector/DataCollectorExtensionTest.php

@@ -36,7 +36,7 @@ protected function setUp()
 
     public function testLoadTypeExtensions()
     {
-        $typeExtensions = $this->extension->getTypeExtensions('form');
+        $typeExtensions = $this->extension->getTypeExtensions('Symfony\Component\Form\Extension\Core\Type\FormType');
 
         $this->assertInternalType('array', $typeExtensions);
         $this->assertCount(1, $typeExtensions);

Tests/Extension/DataCollector/Type/DataCollectorTypeExtensionTest.php

@@ -33,7 +33,7 @@ protected function setUp()
 
     public function testGetExtendedType()
     {
-        $this->assertEquals('form', $this->extension->getExtendedType());
+        $this->assertEquals('Symfony\Component\Form\Extension\Core\Type\FormType', $this->extension->getExtendedType());
     }
 
     public function testBuildForm()