$OpenBSD$

index e110adc..1766851 100644
--- browser/components/tabview/test/head.js.orig	Fri Feb 20 15:40:36 2015
+++ browser/components/tabview/test/head.js	Fri Feb 20 15:40:36 2015
@@ -105,7 +105,7 @@ function newWindowWithTabView(shownCallback, loadCallback, width, height) {
   let winHeight = height || 800;
   let win = window.openDialog(getBrowserURL(), "_blank",
                               "chrome,all,dialog=no,height=" + winHeight +
-                              ",width=" + winWidth);
+                              ",width=" + winWidth, "about:blank");
 
   whenWindowLoaded(win, function () {
     if (loadCallback)
@@ -333,7 +333,7 @@ function newWindowWithState(state, callback) {
              .getService(Ci.nsISessionStore);
 
   let opts = "chrome,all,dialog=no,height=800,width=800";
-  let win = window.openDialog(getBrowserURL(), "_blank", opts);
+  let win = window.openDialog(getBrowserURL(), "_blank", opts, "about:blank");
 
   let numConditions = 2;
   let check = function () {
@@ -433,3 +433,19 @@ function waitForOnBeforeUnloadDialog(browser, callback) {
     });
   }, true);
 }
+
+/**
+ * Overrides browser.js' OpenBrowserWindow() function to enforce an initial
+ * tab different from about:home to not hit the network.
+ */
+function OpenBrowserWindow(aOptions) {
+  let features = "";
+  let url = "about:blank";
+
+  if (aOptions && aOptions.private || false) {
+    features = ",private";
+    url = "about:privatebrowsing";
+  }
+
+  return openDialog(getBrowserURL(), "", "chrome,all,dialog=no" + features, url);
+}