Update zsc.js

Temporarily disable Notifier to observe add event, as the request cannot use local cookie when adding new item.

chrome/content/zsc.js

@@ -33,9 +33,11 @@ zsc.init = function() {
  this._citedPrefixString = stringBundle.getString('citedPrefixString');
  }
 
- // Register the callback in Zotero as an item observer
- let notifierID = Zotero.Notifier.registerObserver(
- this.notifierCallback, ['item']);
+ // Temporarily disable Notifier to observe add event,
+ // as the request cannot use local cookie when adding new item.
+ // // Register the callback in Zotero as an item observer
+ // let notifierID = Zotero.Notifier.registerObserver(
+ // this.notifierCallback, ['item']);
 
  // Unregister callback when the window closes (important to avoid a memory leak)
  window.addEventListener('unload', function(e) {
@@ -182,12 +184,12 @@ zsc.retrieveCitationData = function(item, cb) {
  xhr.onreadystatechange = function() {
  if (this.readyState == 4 && this.status == 200) {
  if (this.responseText.indexOf('www.google.com/recaptcha/api.js') == -1) {
- if (isDebug()) Zotero.debug("[scholar-citations] "
- + "recieved non-captcha scholar results");
+ if (isDebug()) Zotero.debug('[scholar-citations] '
+ + 'recieved non-captcha scholar results');
  cb(item, zsc.getCiteCount(this.responseText));
  } else {
- if (isDebug()) Zotero.debug("[scholar-citations] "
- + "received a captcha instead of a scholar result");
+ if (isDebug()) Zotero.debug('[scholar-citations] '
+ + 'received a captcha instead of a scholar result');
  alert(zsc._captchaString);
  if (typeof Zotero.openInViewer !== 'undefined') {
  Zotero.openInViewer(url);
@@ -229,6 +231,7 @@ zsc.retrieveCitationData = function(item, cb) {
  // request progress, I guess
  }
  };
+ xhr.withCredentials = true;
  xhr.send();
 };