Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.

backdrop_common_theme in core/includes/common.inc
Provides theme registration for themes across .inc files.
date_database_info in core/modules/date/date.module
Temporary helper to re-create equivalent of content_database_info().
FieldAttachStorageTestCase::testFieldStorageDetailsAlter in core/modules/field/tests/field.test
Test storage details alteration.
FieldSqlStorageTestCase::testFieldStorageDetails in core/modules/field/modules/field_sql_storage/tests/field_sql_storage.test
Test the storage details.
field_create_field in core/modules/field/field.crud.inc
Creates a field.
field_update_field in core/modules/field/field.crud.inc
Updates a field.
field_views_field_default_views_data in core/modules/field/views/field.views.inc
Default views data implementation for a field.
filter_xss_admin in core/includes/common.inc
Applies a very permissive XSS/HTML filter for admin-only use.
layout_list_page in core/modules/layout/layout.admin.inc
Output a list of layouts that are managed.
RenderElementTypesTestCase::testDetails in core/modules/simpletest/tests/theme.test
Tests Form API #type 'details'.
system_element_info in core/modules/system/system.module
Implements hook_element_info().
theme_installer_browser_project_description in core/modules/installer/installer.theme.inc
Builds the truncated description on the project list.
views_handler_field_field::query in core/modules/field/views/views_handler_field_field.inc
Called to add the field to a query.
views_ui_edit_details_form in core/modules/views_ui/views_ui.admin.inc
Form builder to edit details of a view.
views_ui_edit_details_form_submit in core/modules/views_ui/views_ui.admin.inc
Submit handler for views_ui_edit_details_form.
views_ui_get_display_tab in core/modules/views_ui/views_ui.admin.inc
Returns a renderable array representing the configure page for one display.
_field_info_prepare_field in core/modules/field/field.info.inc
Prepares a field definition for the current run-time context.