Override SessionStoreInternal's method instead of proxy's one

piroor · Jul 5, 2016 · 3796026 · 3796026
1 parent d7caa5a
commit 3796026
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/modules/utils.js b/modules/utils.js
@@ -800,9 +800,9 @@ prefs.addPrefListener(TreeStyleTabUtils);
 		});
 	}
 
-	let { SessionStore } = Cu.import('resource:///modules/sessionstore/SessionStore.jsm', {});
-	SessionStore.__treestyletab__duplicateTab = SessionStore.duplicateTab;
-	SessionStore.duplicateTab = function(aWindow, aTab, aDelta = 0) {
+	let { SessionStoreInternal } = Cu.import('resource:///modules/sessionstore/SessionStore.jsm', {});
+	SessionStoreInternal.__treestyletab__duplicateTab = SessionStoreInternal.duplicateTab;
+	SessionStoreInternal.duplicateTab = function(aWindow, aTab, aDelta = 0) {
 		aWindow.gBrowser.treeStyleTab.onBeforeTabDuplicate(aWindow, aTab, aDelta);
 		return this.__treestyletab__duplicateTab.call(this, aWindow, aTab, aDelta);
 	};