8 calls to file_usage_delete() in Drupal 7

FileDeleteTest::testInUse in modules/simpletest/tests/file.test

Tries deleting a file that is in use.

FileUsageTest::testRemoveUsage in modules/simpletest/tests/file.test

Tests file_usage_delete().

file_field_delete_file in modules/file/file.field.inc

Decrements the usage count for a file and attempts to delete it.

image_field_delete_field in modules/image/image.module

Implements hook_field_delete_field().

image_field_delete_instance in modules/image/image.module

Implements hook_field_delete_instance().

image_field_update_field in modules/image/image.module

Implements hook_field_update_field().

image_field_update_instance in modules/image/image.module

Implements hook_field_update_instance().

user_save in modules/user/user.module

Save changes to a user account or add a new user.