From bc342751dad027d0962ae3134dd08dc6ad74fef6 Mon Sep 17 00:00:00 2001
From: Kris Maglione <maglione.k@gmail.com>
Date: Wed, 2 Feb 2011 11:39:48 -0500
Subject: [PATCH] Fix disabling of stylesheets.

---
 common/modules/styles.jsm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/modules/styles.jsm b/common/modules/styles.jsm
index 8b4d2cea..adbfd803 100644
--- a/common/modules/styles.jsm
+++ b/common/modules/styles.jsm
@@ -45,7 +45,7 @@ update(Sheet.prototype, {
         if (on != this._enabled || this.fullCSS != this._fullCSS) {
             if (on)
                 this.enabled = false;
-            else if (!this._uri)
+            else if (!this._fullCSS)
                 return;
 
             let meth = on ? "registerSheet" : "unregisterSheet";