13 files declare their use of DefaultFactory

ArchiverManager.php in core/lib/Drupal/Core/Archiver/ArchiverManager.php
ContainerFactory.php in core/lib/Drupal/Core/Plugin/Factory/ContainerFactory.php
DefaultFactoryTest.php in core/tests/Drupal/Tests/Component/Plugin/DefaultFactoryTest.php
DefaultsTestPluginManager.php in core/modules/system/tests/modules/plugin_test/src/Plugin/DefaultsTestPluginManager.php
EntityDisplayFormBase.php in core/modules/field_ui/src/Form/EntityDisplayFormBase.php
FieldBlock.php in core/modules/layout_builder/src/Plugin/Block/FieldBlock.php
FieldTypePluginManager.php in core/lib/Drupal/Core/Field/FieldTypePluginManager.php
FormatterPluginManager.php in core/lib/Drupal/Core/Field/FormatterPluginManager.php
ImageToolkitOperationManager.php in core/lib/Drupal/Core/ImageToolkit/ImageToolkitOperationManager.php
MigratePluginManager.php in core/modules/migrate/src/Plugin/MigratePluginManager.php
TestPluginManager.php in core/modules/system/tests/modules/plugin_test/src/Plugin/TestPluginManager.php
TestPluginManager.php in core/tests/Drupal/Tests/Core/Plugin/TestPluginManager.php
WidgetPluginManager.php in core/lib/Drupal/Core/Field/WidgetPluginManager.php

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