Bug 563291 - Selectively open tabs from session:restore "Well this is embarrassing" page. r=dao

--HG--
extra : rebase_source : 537ccc1791256a93c224ae653d07d5981f57e037

browser/components/sessionstore/content/aboutSessionRestore.js

@@ -160,9 +160,10 @@ function onListClick(aEvent) {
   var row = {}, col = {};
   treeView.treeBox.getCellAt(aEvent.clientX, aEvent.clientY, row, col, {});
   if (col.value) {
-    // restore this specific tab in the same window for middle-clicking
-    // or Ctrl+clicking on a tab's title
-    if ((aEvent.button == 1 || aEvent.ctrlKey) && col.value.id == "title" &&
+    // restore this specific tab in the same window for double clicking or middle clicking
+    // or Ctrl+clicking on a tab's title - note: ctrl clicking doesn't work on Mac
+    if ((aEvent.button == 1 || aEvent.button == 0 && aEvent.detail == 2 || aEvent.ctrlKey) &&
+        col.value.id == "title" &&
         !treeView.isContainer(row.value))
       restoreSingleTab(row.value, aEvent.shiftKey);
     else if (col.value.id == "restore")