18 files declare their use of AccessDeniedHttpException

AccessManager.php in drupal/core/lib/Drupal/Core/Access/AccessManager.php
Contains Drupal\Core\Access\AccessManager.
aggregator.admin.inc in drupal/core/modules/aggregator/aggregator.admin.inc
Admin page callbacks for the aggregator module.
book.pages.inc in drupal/core/modules/book/book.pages.inc
User page callbacks for the book module.
comment.pages.inc in drupal/core/modules/comment/comment.pages.inc
User page callbacks for the Comment module.
common.inc in drupal/core/includes/common.inc
Common functions that many Drupal modules will need to reference.
contact.pages.inc in drupal/core/modules/contact/contact.pages.inc
Page callbacks for the Contact module.
file.inc in drupal/core/includes/file.inc
API for handling file uploads and server file management.
HttpKernelTest.php in drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/HttpKernelTest.php
image.module in drupal/core/modules/image/image.module
Exposes global functionality for creating image styles.
LegacyAccessSubscriber.php in drupal/core/lib/Drupal/Core/EventSubscriber/LegacyAccessSubscriber.php
Contains Drupal\Core\EventSubscriber\LegacyAccessSubscriber.
menu.admin.inc in drupal/core/modules/menu/menu.admin.inc
Administrative page callbacks for menu module.
overlay.module in drupal/core/modules/overlay/overlay.module
Displays the Drupal administration interface in an overlay.
Page.php in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/Page.php
Contains Drupal\views\Plugin\views\display\Page.
PathPluginBase.php in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/PathPluginBase.php
Contains Drupal\views\Plugin\views\display\PathPluginBase.
shortcut.admin.inc in drupal/core/modules/shortcut/shortcut.admin.inc
Administrative page callbacks for the shortcut module.
system.admin.inc in drupal/core/modules/system/system.admin.inc
Admin page callbacks for the system module.
user.pages.inc in drupal/core/modules/user/user.pages.inc
User page callback file for the user module.
ViewFormControllerBase.php in drupal/core/modules/views/views_ui/lib/Drupal/views_ui/ViewFormControllerBase.php
Contains Drupal\views_ui\ViewFormControllerBase.