55 files declare their use of UrlHelper in Zircon Profile 8

aggregator.theme.inc in core/modules/aggregator/aggregator.theme.inc

Preprocessors and theme functions of Aggregator module.

batch.inc in core/includes/batch.inc

Batch processing API for processes to run in multiple HTTP requests.

BrowserTestBase.php in core/modules/simpletest/src/BrowserTestBase.php

Contains \Drupal\simpletest\BrowserTestBase.

comment.tokens.inc in core/modules/comment/comment.tokens.inc

Builds placeholder replacement tokens for comment-related data.

CommentTokenReplaceTest.php in core/modules/comment/src/Tests/CommentTokenReplaceTest.php

Contains \Drupal\comment\Tests\CommentTokenReplaceTest.

common.inc in core/includes/common.inc

Common functions that many Drupal modules will need to reference.

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

Contains \Drupal\Core\Form\ConfirmFormHelper.

contextual.module in core/modules/contextual/contextual.module

Adds contextual links to perform actions related to elements on a page.

ContextualLinks.php in core/modules/contextual/src/Plugin/views/field/ContextualLinks.php

Contains \Drupal\contextual\Plugin\views\field\ContextualLinks.

CustomPageExceptionHtmlSubscriberTest.php in core/tests/Drupal/Tests/Core/EventSubscriber/CustomPageExceptionHtmlSubscriberTest.php

Contains \Drupal\Tests\Core\EventSubscriber\CustomPageExceptionHtmlSubscriberTest.

DrupalKernel.php in core/lib/Drupal/Core/DrupalKernel.php

Contains \Drupal\Core\DrupalKernel.

FieldPluginBase.php in core/modules/views/src/Plugin/views/field/FieldPluginBase.php

Contains \Drupal\views\Plugin\views\field\FieldPluginBase.

FieldUI.php in core/modules/field_ui/src/FieldUI.php

Contains \Drupal\field_ui\FieldUI.

FieldWebTest.php in core/modules/views/src/Tests/Handler/FieldWebTest.php

Contains \Drupal\views\Tests\Handler\FieldWebTest.

file.inc in core/includes/file.inc

API for handling file uploads and server file management.

FilterProcessResult.php in core/modules/filter/src/FilterProcessResult.php

Contains \Drupal\filter\FilterProcessResult.

form.inc in core/includes/form.inc

Functions for form and batch generation and processing.

FormattableMarkup.php in core/lib/Drupal/Component/Render/FormattableMarkup.php

Contains \Drupal\Component\Render\FormattableMarkup.

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

Contains \Drupal\Core\Form\FormBuilder.

GotoAction.php in core/modules/action/src/Plugin/Action/GotoAction.php

Contains \Drupal\action\Plugin\Action\GotoAction.

HandlerBase.php in core/modules/views/src/Plugin/views/HandlerBase.php

Contains \Drupal\views\Plugin\views\HandlerBase.

ImageStyle.php in core/modules/image/src/Entity/ImageStyle.php

Contains \Drupal\image\Entity\ImageStyle.

install.core.inc in core/includes/install.core.inc

API functions for installing Drupal.

install.inc in core/includes/install.inc

API functions for installing modules and themes.

LanguageNegotiationContentEntity.php in core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationContentEntity.php

Contains \Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationContentEntity.

LinkExternalProtocolsConstraintValidator.php in core/modules/link/src/Plugin/Validation/Constraint/LinkExternalProtocolsConstraintValidator.php

Contains \Drupal\link\Plugin\Validation\Constraint\LinkExternalProtocolsConstraintValidator.

LinkExternalProtocolsConstraintValidatorTest.php in core/modules/link/tests/src/Unit/Plugin/Validation/Constraint/LinkExternalProtocolsConstraintValidatorTest.php

Contains \Drupal\Tests\link\Unit\Plugin\Validation\Constraint\LinkExternalProtocolsConstraintValidatorTest.

LinkItemTest.php in core/modules/link/src/Tests/LinkItemTest.php

Contains \Drupal\link\Tests\LinkItemTest.

LocalAwareRedirectResponseTrait.php in core/lib/Drupal/Core/Routing/LocalAwareRedirectResponseTrait.php

Contains \Drupal\Core\Routing\LocalAwareRedirectResponseTrait.

locale.module in core/modules/locale/locale.module

Enables the translation of the user interface to languages other than English.

MenuTreeStorage.php in core/lib/Drupal/Core/Menu/MenuTreeStorage.php

Contains \Drupal\Core\Menu\MenuTreeStorage.

OpmlFeedAdd.php in core/modules/aggregator/src/Form/OpmlFeedAdd.php

Contains \Drupal\aggregator\Form\OpmlFeedAdd.

pager.inc in core/includes/pager.inc

Functions to aid in presenting database results as a set of pages.

PathPluginBase.php in core/modules/views/src/Plugin/views/display/PathPluginBase.php

Contains \Drupal\views\Plugin\views\display\PathPluginBase.

PathValidator.php in core/lib/Drupal/Core/Path/PathValidator.php

Contains \Drupal\Core\Path\PathValidator.

PlaceholderGenerator.php in core/lib/Drupal/Core/Render/PlaceholderGenerator.php

Contains \Drupal\Core\Render\PlaceholderGenerator.

PublicStream.php in core/lib/Drupal/Core/StreamWrapper/PublicStream.php

Contains \Drupal\Core\StreamWrapper\PublicStream.

RedirectDestination.php in core/lib/Drupal/Core/Routing/RedirectDestination.php

Contains \Drupal\Core\Routing\RedirectDestination.

RedirectResponseSubscriber.php in core/lib/Drupal/Core/EventSubscriber/RedirectResponseSubscriber.php

Contains \Drupal\Core\EventSubscriber\RedirectResponseSubscriber.

SafeMarkupTest.php in core/tests/Drupal/Tests/Component/Utility/SafeMarkupTest.php

Contains \Drupal\Tests\Component\Utility\SafeMarkupTest.

search.pages.inc in core/modules/search/search.pages.inc

User page callbacks for the Search module.

system.module in core/modules/system/system.module

Configuration system that lets administrators modify the workings of the site.

tablesort.inc in core/includes/tablesort.inc

Functions to aid in the creation of sortable tables.

UnroutedUrlAssembler.php in core/lib/Drupal/Core/Utility/UnroutedUrlAssembler.php

Contains \Drupal\Core\Utility\UnroutedUrlAssembler.

Url.php in core/lib/Drupal/Core/Url.php

Contains \Drupal\Core\Url.

Url.php in core/lib/Drupal/Core/Render/Element/Url.php

Contains \Drupal\Core\Render\Element\Url.

UrlGenerator.php in core/lib/Drupal/Core/Routing/UrlGenerator.php

Contains \Drupal\Core\Routing\UrlGenerator.

UrlHelperTest.php in core/tests/Drupal/Tests/Component/Utility/UrlHelperTest.php

Contains \Drupal\Tests\Component\Utility\UrlHelperTest.

UrlTest.php in core/tests/Drupal/Tests/Core/UrlTest.php

Contains \Drupal\Tests\Core\UrlTest.

UrlTest.php in core/modules/system/src/Tests/Common/UrlTest.php

Contains \Drupal\system\Tests\Common\UrlTest.

ViewAjaxController.php in core/modules/views/src/Controller/ViewAjaxController.php

Contains \Drupal\views\Controller\ViewAjaxController.

ViewsForm.php in core/modules/views/src/Form/ViewsForm.php

Contains \Drupal\views\Form\ViewsForm.

WebTestBase.php in core/modules/simpletest/src/WebTestBase.php

Contains \Drupal\simpletest\WebTestBase.

XssTest.php in core/tests/Drupal/Tests/Component/Utility/XssTest.php

Contains \Drupal\Tests\Component\Utility\XssTest.

XssUnitTest.php in core/modules/system/src/Tests/Common/XssUnitTest.php

Contains \Drupal\system\Tests\Common\XssUnitTest.