From e37dc98ef9d7a90ba4021e7cd79ba8ccf8a73ca7 Mon Sep 17 00:00:00 2001
From: Simon Kornblith <simon@simonster.com>
Date: Wed, 2 Mar 2011 02:08:05 +0000
Subject: [PATCH] check whether gBrowser exists during init() without actually
 accessing it

---
 chrome/content/zotero/browser.js | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/chrome/content/zotero/browser.js b/chrome/content/zotero/browser.js
index ae79a27d9..72c89c2d1 100644
--- a/chrome/content/zotero/browser.js
+++ b/chrome/content/zotero/browser.js
@@ -104,16 +104,9 @@ var Zotero_Browser = new function() {
 	 * Initialize some variables and prepare event listeners for when chrome is done loading
 	 */
 	function init() {
-		try {
-			var gb = gBrowser;
-		} catch(e) {
+		if (!Zotero || !Zotero.initialized || !window.hasOwnProperty("gBrowser")) {
 			return;
 		}
-		if (!Zotero || !Zotero.initialized || !gb) {
-			return;
-		}
-		
-		Zotero_Browser.browserData = new Object();
 		
 		window.addEventListener("load",
 			function(e) { Zotero_Browser.chromeLoad(e) }, false);
@@ -322,10 +315,9 @@ var Zotero_Browser = new function() {
 	}
 	
 	/*
-	 * When chrome unloads, delete our document objects
+	 * Called when chrome is unloaded
 	 */
 	function chromeUnload() {
-		delete Zotero_Browser.browserData;
 	}
 	
 	/*