MDL-14898 upgraded html purifier to 3.1.0 in HEAD

lib/htmlpurifier/HTMLPurifier/AttrDef/HTML/FrameTarget.php

@@ -1,30 +1,17 @@
 <?php
 
-HTMLPurifier_ConfigSchema::define(
-    'Attr', 'AllowedFrameTargets', array(), 'lookup',
-    'Lookup table of all allowed link frame targets.  Some commonly used '.
-    'link targets include _blank, _self, _parent and _top. Values should '.
-    'be lowercase, as validation will be done in a case-sensitive manner '.
-    'despite W3C\'s recommendation. XHTML 1.0 Strict does not permit '.
-    'the target attribute so this directive will have no effect in that '.
-    'doctype. XHTML 1.1 does not enable the Target module by default, you '.
-    'will have to manually enable it (see the module documentation for more details.)'
-);
-
-require_once 'HTMLPurifier/AttrDef/Enum.php';
-
 /**
  * Special-case enum attribute definition that lazy loads allowed frame targets
  */
 class HTMLPurifier_AttrDef_HTML_FrameTarget extends HTMLPurifier_AttrDef_Enum
 {
     
-    var $valid_values = false; // uninitialized value
-    var $case_sensitive = false;
+    public $valid_values = false; // uninitialized value
+    protected $case_sensitive = false;
     
-    function HTMLPurifier_AttrDef_HTML_FrameTarget() {}
+    public function __construct() {}
     
-    function validate($string, $config, &$context) {
+    public function validate($string, $config, $context) {
         if ($this->valid_values === false) $this->valid_values = $config->get('Attr', 'AllowedFrameTargets');
         return parent::validate($string, $config, $context);
     }