16 string references to theme_installer

BaseThemeDefaultDeprecationTest::setUp in core/tests/Drupal/KernelTests/Core/Theme/BaseThemeDefaultDeprecationTest.php
BaseThemeRequiredTest::setUp in core/tests/Drupal/KernelTests/Core/Theme/BaseThemeRequiredTest.php
BlockTest::testUninstallTheme in core/modules/block/tests/src/Functional/BlockTest.php
Tests that uninstalling a theme removes its block configuration.
CKEditorLoadingTest::testExternalStylesheets in core/modules/ckeditor/tests/src/Functional/CKEditorLoadingTest.php
Tests loading of theme's CKEditor stylesheets defined in the .info file.
MenuRouterTest::doTestThemeCallbackOptionalTheme in core/modules/system/tests/src/Functional/Menu/MenuRouterTest.php
Test the theme negotiation when it is set to use an optional theme.
MenuRouterTest::testThemeIntegration in core/modules/system/tests/src/Functional/Menu/MenuRouterTest.php
Tests theme integration.
NewDefaultThemeBlocksTest::testNewDefaultThemeBlocks in core/modules/block/tests/src/Kernel/NewDefaultThemeBlocksTest.php
Check the enabled Bartik blocks are correctly copied over.
system_update_8014 in core/modules/system/system.install
Install the Stable base theme if needed.
ThemeController::create in core/modules/system/src/Controller/ThemeController.php
Instantiates a new instance of this class.
ThemeExperimentalConfirmForm::create in core/modules/system/src/Form/ThemeExperimentalConfirmForm.php
Instantiates a new instance of this class.
ThemeInfoTest::setUp in core/modules/system/tests/src/Functional/Theme/ThemeInfoTest.php
ThemeInstallerTest::themeInstaller in core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php
Returns the theme installer service.
ThemeSettingsTest::testLogoConfig in core/tests/Drupal/KernelTests/Core/Theme/ThemeSettingsTest.php
Tests that the default logo config can be overridden.
ThemeTest::testSwitchDefaultTheme in core/modules/system/tests/src/Functional/System/ThemeTest.php
Test switching the default theme.
TwigSettingsTest::testTwigCacheOverride in core/modules/system/tests/src/Functional/Theme/TwigSettingsTest.php
Ensures Twig template cache setting can be overridden.
ViewsNoResultsBehaviorTest::setUp in core/modules/views/tests/src/Functional/ViewsNoResultsBehaviorTest.php

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