Catch security exception when trying to remove livereload on parent

The parent frame may not share the same origin.

Author: vincentbernat

lib/public/livereload.js

@@ -1034,11 +1034,15 @@ __less = LessPlugin = (function() {
 var CustomEvents, LiveReload, k, parent = window;
 CustomEvents = __customevents;
 LiveReload = window.LiveReload = new (__livereload.LiveReload)(window);
-while (parent !== parent.parent) {
-  parent = parent.parent;
-  if (parent.LiveReload !== undefined) {
-    parent.LiveReload.shutDown();
+try {
+  while (parent !== parent.parent) {
+    parent = parent.parent;
+    if (parent.LiveReload !== undefined) {
+      parent.LiveReload.shutDown();
+    }
   }
+} catch (e) {
+  // Mostly a security exception about same-origin problem
 }
 for (k in window) {
   if (k.match(/^LiveReloadPlugin/)) {