8 string references to 'image_styles'

ImageAdminStylesUnitTest::testDefaultStyle in drupal/modules/image/image.test
Test to override, edit, then revert a style.
ImageAdminStylesUnitTest::testStyle in drupal/modules/image/image.test
General test to add a style, add/remove/edit effects to it, then delete it.
ImageAdminUiTestCase::testEditEffectHelpText in drupal/modules/image/image.test
Test if the help text is available on the edit effect form.
image_schema in drupal/modules/image/image.install
Implements hook_schema().
image_style_flush in drupal/modules/image/image.module
Flushes cached media for a style.
image_style_save in drupal/modules/image/image.module
Saves an image style.
image_update_7000 in drupal/modules/image/image.install
Install the schema for users upgrading from the contributed module.
image_update_7005 in drupal/modules/image/image.install
Add a column to the 'image_style' table to store administrative labels.