diff -r 000000000000 -r 6474c204b198 toolkit/components/crashes/CrashService.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/crashes/CrashService.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
+
+Cu.import("resource://gre/modules/Services.jsm", this);
+Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
+
+/**
+ * This component makes crash data available throughout the application.
+ *
+ * It is a service because some background activity will eventually occur.
+ */
+this.CrashService = function () {};
+
+CrashService.prototype = Object.freeze({
+  classID: Components.ID("{92668367-1b17-4190-86b2-1061b2179744}"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
+
+  observe: function (subject, topic, data) {
+    switch (topic) {
+      case "profile-after-change":
+        // Side-effect is the singleton is instantiated.
+        let m = Services.crashmanager;
+        break;
+    }
+  },
+});
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([CrashService]);