forgot to check this

src/js/asset-viewer.js

@@ -0,0 +1,50 @@
+/*******************************************************************************
+
+    µMatrix - a Chromium browser extension to block requests.
+    Copyright (C) 2014 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/uMatrix
+*/
+
+/* global chrome, messaging, uDom */
+
+/******************************************************************************/
+
+(function() {
+
+/******************************************************************************/
+
+messaging.start('asset-viewer.js');
+
+/******************************************************************************/
+
+var onAssetContentReceived = function(details) {
+    uDom('#content').html(details && (details.content || ''));
+};
+
+/******************************************************************************/
+
+var q = window.location.search;
+var matches = q.match(/^\?url=([^&]+)/);
+if ( !matches || matches.length !== 2 ) {
+    return;
+}
+
+messaging.ask({ what : 'getAssetContent', url: matches[1] }, onAssetContentReceived);
+
+/******************************************************************************/
+
+})();