Bug 338661: tabs are blank during session restoration, patch by Simon B�nzli <zeniko@gmail.com>, r=mconnor

browser/components/sessionstore/src/nsSessionStore.js

@@ -1253,6 +1253,15 @@ SessionStoreService.prototype = {
       }
     }
     
+    // mark the tabs as loading (at this point about:blank
+    // has completed loading in all tabs, so it won't interfere)
+    for (t = 0; t < aTabs.length; t++) {
+      var tab = aTabs[t]._tab;
+      tab.setAttribute("busy", "true");
+      tabbrowser.updateIcon(tab);
+      tabbrowser.setTabTitleLoading(tab);
+    }
+    
     // make sure to restore the selected tab first (if any)
     if (aSelectTab-- && aTabs[aSelectTab]) {
         aTabs.unshift(aTabs.splice(aSelectTab, 1)[0]);
@@ -1316,7 +1325,7 @@ SessionStoreService.prototype = {
     });
     Array.filter(tab.attributes, function(aAttr) {
       return (_this.xulAttributes.indexOf(aAttr.name) > -1);
-	  }).forEach(tab.removeAttribute, tab);
+    }).forEach(tab.removeAttribute, tab);
     if (tabData.xultab) {
       tabData.xultab.split(" ").forEach(function(aAttr) {
         if (/^([^\s=]+)=(.*)/.test(aAttr)) {