14 files declare their use of CsrfTokenGenerator in Drupal 8

AjaxBasePageNegotiator.php in core/lib/Drupal/Core/Theme/AjaxBasePageNegotiator.php

AjaxBasePageNegotiatorTest.php in core/tests/Drupal/Tests/Core/Theme/AjaxBasePageNegotiatorTest.php

BatchStorage.php in core/lib/Drupal/Core/Batch/BatchStorage.php

CsrfTokenController.php in core/modules/system/src/Controller/CsrfTokenController.php

CsrfTokenGeneratorTest.php in core/tests/Drupal/Tests/Core/Access/CsrfTokenGeneratorTest.php

DeprecatedCsrfTokenController.php in core/modules/system/tests/modules/csrf_test/src/Controller/DeprecatedCsrfTokenController.php

FormBuilder.php in core/lib/Drupal/Core/Form/FormBuilder.php

FormCache.php in core/lib/Drupal/Core/Form/FormCache.php

FormValidator.php in core/lib/Drupal/Core/Form/FormValidator.php

MachineNameController.php in core/modules/system/src/MachineNameController.php

MachineNameControllerTest.php in core/modules/system/tests/src/Unit/Transliteration/MachineNameControllerTest.php

MachineNameTest.php in core/tests/Drupal/Tests/Core/Render/Element/MachineNameTest.php

TestController.php in core/modules/system/tests/modules/csrf_race_test/src/Controller/TestController.php

UserAuthenticationController.php in core/modules/user/src/Controller/UserAuthenticationController.php