From 31fb56fd03499c418da9a95e71e8680383d20056 Mon Sep 17 00:00:00 2001
From: SHIMODA Hiroshi <shimoda@clear-code.com>
Date: Wed, 1 Dec 2010 17:59:07 +0900
Subject: [PATCH] on Minefield, expanding tabs now have correct transparency.

---
 content/treestyletab/treestyletabbrowser.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/content/treestyletab/treestyletabbrowser.js b/content/treestyletab/treestyletabbrowser.js
index a3521e45..816be855 100644
--- a/content/treestyletab/treestyletabbrowser.js
+++ b/content/treestyletab/treestyletabbrowser.js
@@ -4661,9 +4661,10 @@ TreeStyleTabBrowser.prototype = {
 			if (aTime >= aDuration || stopAnimation) {
 				delete aTab.__treestyletab__updateTabCollapsedTask;
 				if (aCollapsed) aTab.setAttribute(self.kCOLLAPSED_DONE, true);
-				if (!CSSTransitionEnabled)
+				if (!CSSTransitionEnabled) {
 					aTab.style.removeProperty(self.collapseCSSProp);
-				aTab.style.removeProperty('opacity');
+					aTab.style.removeProperty('opacity');
+				}
 				aTab.removeAttribute(offsetAttr);
 
 				maxMargin = null;