Index: wp-admin/includes/media.php
===================================================================
--- wp-admin/includes/media.php	(revision 22549)
+++ wp-admin/includes/media.php	(working copy)
@@ -1064,7 +1064,6 @@
 	$default_args = array( 'errors' => null, 'send' => $current_post_id ? post_type_supports( get_post_type( $current_post_id ), 'editor' ) : true, 'delete' => true, 'toggle' => true, 'show_title' => true );
 	$args = wp_parse_args( $args, $default_args );
 	$args = apply_filters( 'get_media_item_args', $args );
-	extract( $args, EXTR_SKIP );
 
 	$toggle_on  = __( 'Show' );
 	$toggle_off = __( 'Hide' );
@@ -1083,10 +1082,10 @@
 	$type = array_shift( $keys );
 	$type_html = "<input type='hidden' id='type-of-$attachment_id' value='" . esc_attr( $type ) . "' />";
 
-	$form_fields = get_attachment_fields_to_edit( $post, $errors );
+	$form_fields = get_attachment_fields_to_edit( $post, $args['errors'] );
 
-	if ( $toggle ) {
-		$class = empty( $errors ) ? 'startclosed' : 'startopen';
+	if ( $args['toggle'] ) {
+		$class = empty( $args['errors'] ) ? 'startclosed' : 'startopen';
 		$toggle_links = "
 	<a class='toggle describe-toggle-on' href='#'>$toggle_on</a>
 	<a class='toggle describe-toggle-off' href='#'>$toggle_off</a>";
@@ -1096,7 +1095,7 @@
 	}
 
 	$display_title = ( !empty( $title ) ) ? $title : $filename; // $title shouldn't ever be empty, but just in case
-	$display_title = $show_title ? "<div class='filename new'><span class='title'>" . wp_html_excerpt( $display_title, 60 ) . "</span></div>" : '';
+	$display_title = $args['show_title'] ? "<div class='filename new'><span class='title'>" . wp_html_excerpt( $display_title, 60 ) . "</span></div>" : '';
 
 	$gallery = ( ( isset( $_REQUEST['tab'] ) && 'gallery' == $_REQUEST['tab'] ) || ( isset( $redir_tab ) && 'gallery' == $redir_tab ) );
 	$order = '';
@@ -1161,23 +1160,23 @@
 		'extra_rows' => array(),
 	);
 
-	if ( $send )
-		$send = get_submit_button( __( 'Insert into Post' ), 'button', "send[$attachment_id]", false );
-	if ( $delete && current_user_can( 'delete_post', $attachment_id ) ) {
+	if ( $args['send'] )
+		$args['send'] = get_submit_button( __( 'Insert into Post' ), 'button', "send[$attachment_id]", false );
+	if ( $args['delete'] && current_user_can( 'delete_post', $attachment_id ) ) {
 		if ( !EMPTY_TRASH_DAYS ) {
-			$delete = "<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete-permanently'>" . __( 'Delete Permanently' ) . '</a>';
+			$args['delete'] = "<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete-permanently'>" . __( 'Delete Permanently' ) . '</a>';
 		} elseif ( !MEDIA_TRASH ) {
-			$delete = "<a href='#' class='del-link' onclick=\"document.getElementById('del_attachment_$attachment_id').style.display='block';return false;\">" . __( 'Delete' ) . "</a>
+			$args['delete'] = "<a href='#' class='del-link' onclick=\"document.getElementById('del_attachment_$attachment_id').style.display='block';return false;\">" . __( 'Delete' ) . "</a>
 			 <div id='del_attachment_$attachment_id' class='del-attachment' style='display:none;'><p>" . sprintf( __( 'You are about to delete <strong>%s</strong>.' ), $filename ) . "</p>
 			 <a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='button'>" . __( 'Continue' ) . "</a>
 			 <a href='#' class='button' onclick=\"this.parentNode.style.display='none';return false;\">" . __( 'Cancel' ) . "</a>
 			 </div>";
 		} else {
-			$delete = "<a href='" . wp_nonce_url( "post.php?action=trash&amp;post=$attachment_id", 'trash-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete'>" . __( 'Move to Trash' ) . "</a>
+			$args['delete'] = "<a href='" . wp_nonce_url( "post.php?action=trash&amp;post=$attachment_id", 'trash-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete'>" . __( 'Move to Trash' ) . "</a>
 			<a href='" . wp_nonce_url( "post.php?action=untrash&amp;post=$attachment_id", 'untrash-post_' . $attachment_id ) . "' id='undo[$attachment_id]' class='undo hidden'>" . __( 'Undo' ) . "</a>";
 		}
 	} else {
-		$delete = '';
+		$args['delete'] = '';
 	}
 
 	$thumbnail = '';
@@ -1192,8 +1191,8 @@
 		$thumbnail = "<a class='wp-post-thumbnail' id='wp-post-thumbnail-" . $attachment_id . "' href='#' onclick='WPSetAsThumbnail(\"$attachment_id\", \"$ajax_nonce\");return false;'>" . esc_html__( "Use as featured image" ) . "</a>";
 	}
 
-	if ( ( $send || $thumbnail || $delete ) && !isset( $form_fields['buttons'] ) )
-		$form_fields['buttons'] = array( 'tr' => "\t\t<tr class='submit'><td></td><td class='savesend'>$send $thumbnail $delete</td></tr>\n" );
+	if ( ( $args['send'] || $thumbnail || $args['delete'] ) && !isset( $form_fields['buttons'] ) )
+		$form_fields['buttons'] = array( 'tr' => "\t\t<tr class='submit'><td></td><td class='savesend'>". $args['send'] . $thumbnail . $args['delete'] ."</td></tr>\n" );
 
 	$hidden_fields = array();