oops, fix to #756 needs this

src/js/rpcreceiver.js

@@ -0,0 +1,53 @@
+/*******************************************************************************
+
+    uBlock Origin - a browser extension to block requests.
+    Copyright (C) 2015 Raymond Hill
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://github.com/gorhill/uBlock
+*/
+
+/* global vAPI, µBlock */
+
+/******************************************************************************/
+
+(function() {
+
+'use strict';
+
+/******************************************************************************/
+
+if ( typeof vAPI.rpcReceiver !== 'object' ) {
+    return;
+}
+
+/******************************************************************************/
+
+vAPI.rpcReceiver.getScriptTagFilters = function(details) {
+    var µb = µBlock;
+    var cfe = µb.cosmeticFilteringEngine;
+    if ( !cfe ) { return; }
+    var hostname = details.hostname;
+    return cfe.retrieveScriptTagRegex(
+        µb.URI.domainFromHostname(hostname) || hostname,
+        hostname
+    );
+};
+
+/******************************************************************************/
+
+})();
+
+/******************************************************************************/