x.diff

diff --git a/browser/base/content/browser-contentblocking.js b/browser/base/content/browser-contentblocking.js
index bf835969e84eb..d7b3a3afba6b2 100644
--- a/browser/base/content/browser-contentblocking.js
+++ b/browser/base/content/browser-contentblocking.js
@@ -474,6 +474,10 @@ var ContentBlocking = {
       this.iconBox.removeAttribute("animate");
     }
 
+    if (state & Ci.nsIWebProgressListener.STATE_COOKIES_LOADED) {
+      console.log("Observed a cookie!", gBrowser.currentURI.asciiSpec);
+    }
+
     let anyBlockerActivated = false;
 
     for (let blocker of this.blockers) {