diff -r 000000000000 -r 6474c204b198 services/sync/tests/unit/head_appinfo.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/services/sync/tests/unit/head_appinfo.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,68 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const {classes: Cc, interfaces: Ci, results: Cr, utils: Cu} = Components;
+
+let gSyncProfile;
+
+gSyncProfile = do_get_profile();
+
+// Init FormHistoryStartup and pretend we opened a profile.
+let fhs = Cc["@mozilla.org/satchel/form-history-startup;1"]
+            .getService(Ci.nsIObserver);
+fhs.observe(null, "profile-after-change", null);
+
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+// Make sure to provide the right OS so crypto loads the right binaries
+let OS = "XPCShell";
+if ("@mozilla.org/windows-registry-key;1" in Cc)
+  OS = "WINNT";
+else if ("nsILocalFileMac" in Ci)
+  OS = "Darwin";
+else
+  OS = "Linux";
+
+let XULAppInfo = {
+  vendor: "Mozilla",
+  name: "XPCShell",
+  ID: "xpcshell@tests.mozilla.org",
+  version: "1",
+  appBuildID: "20100621",
+  platformVersion: "",
+  platformBuildID: "20100621",
+  inSafeMode: false,
+  logConsoleErrors: true,
+  OS: OS,
+  XPCOMABI: "noarch-spidermonkey",
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIXULAppInfo, Ci.nsIXULRuntime]),
+  invalidateCachesOnRestart: function invalidateCachesOnRestart() { }
+};
+
+let XULAppInfoFactory = {
+  createInstance: function (outer, iid) {
+    if (outer != null)
+      throw Cr.NS_ERROR_NO_AGGREGATION;
+    return XULAppInfo.QueryInterface(iid);
+  }
+};
+
+let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+registrar.registerFactory(Components.ID("{fbfae60b-64a4-44ef-a911-08ceb70b9f31}"),
+                          "XULAppInfo", "@mozilla.org/xre/app-info;1",
+                          XULAppInfoFactory);
+
+
+// Register resource aliases. Normally done in SyncComponents.manifest.
+function addResourceAlias() {
+  Cu.import("resource://gre/modules/Services.jsm");
+  const resProt = Services.io.getProtocolHandler("resource")
+                          .QueryInterface(Ci.nsIResProtocolHandler);
+  for each (let s in ["common", "sync", "crypto"]) {
+    let uri = Services.io.newURI("resource://gre/modules/services-" + s + "/", null,
+                                 null);
+    resProt.setSubstitution("services-" + s, uri);
+  }
+}
+addResourceAlias();