Move convert_to_screen() back to template.php to avoid fatal errors with plugins and themes that direct include template.php into the front end. Flag this bad behavior with _doing_it_wrong(). Props nacin. fixes #19342

git-svn-id: http://svn.automattic.com/wordpress/trunk@19428 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/screen.php

@@ -107,18 +107,6 @@ function get_hidden_meta_boxes( $screen ) {
 	return apply_filters( 'hidden_meta_boxes', $hidden, $screen, $use_defaults );
 }
 
-/**
- * Convert a screen string to a screen object
- *
- * @since 3.0.0
- *
- * @param string $hook_name The hook name (also known as the hook suffix) used to determine the screen.
- * @return WP_Screen Screen object.
- */
-function convert_to_screen( $hook_name ) {
-	return WP_Screen::get( $hook_name );
-}
-
 /**
  * Add contextual help text for a page.
  *