Ensure that clicking a link does not close the conversation

js/chromium.js

@@ -1,13 +0,0 @@
-/* global extension: false */
-
-// eslint-disable-next-line func-names
-(function() {
-  // Browser specific functions for Chrom*
-  window.extension = window.extension || {};
-
-  extension.windows = {
-    onClosed(callback) {
-      window.addEventListener('beforeunload', callback);
-    },
-  };
-})();