Bug 927132 - Fix about:home in e10s (r=mdeboer)

browser/base/content/content.js

@@ -99,7 +99,7 @@ let AboutHomeListener = {
     if (aData.showKnowYourRights)
       docElt.setAttribute("showKnowYourRights", "true");
     docElt.setAttribute("snippetsVersion", aData.snippetsVersion);
-    docElt.setAttribute("searchEngineName", Services.search.defaultEngine.name);
+    docElt.setAttribute("searchEngineName", aData.defaultEngineName);
   },
 
   onPageLoad: function() {

browser/modules/AboutHome.jsm

@@ -187,7 +187,8 @@ let AboutHome = {
         showRestoreLastSession: ss.canRestoreLastSession,
         snippetsURL: AboutHomeUtils.snippetsURL,
         showKnowYourRights: AboutHomeUtils.showKnowYourRights,
-        snippetsVersion: AboutHomeUtils.snippetsVersion
+        snippetsVersion: AboutHomeUtils.snippetsVersion,
+        defaultEngineName: Services.search.defaultEngine.name
       };
 
       if (AboutHomeUtils.showKnowYourRights) {