diff -r 000000000000 -r 6474c204b198 browser/metro/base/content/flyoutpanels/PrefsFlyoutPanel.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/metro/base/content/flyoutpanels/PrefsFlyoutPanel.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,120 @@
+// -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
+/* 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';
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+let PrefsFlyoutPanel = {
+  _isInitialized: false,
+  _hasShown: false,
+  init: function pv_init() {
+    if (this._isInitialized) {
+      Cu.reportError("Attempting to re-initialize PreferencesPanelView");
+      return;
+    }
+
+    Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+    this._isInitialized = true;
+    let self = this;
+
+    this._elements = {};
+    [
+      ['PrefsFlyoutPanel',  'prefs-flyoutpanel'],
+    ].forEach(function(aElement) {
+      let [name, id] = aElement;
+      XPCOMUtils.defineLazyGetter(self._elements, name, function() {
+        return document.getElementById(id);
+      });
+    });
+
+    this.observe(null, null, "privacy.donottrackheader.value");
+    this._updateSubmitURLs();
+    this._topmostElement = this._elements.PrefsFlyoutPanel;
+  },
+
+  _show: function() {
+    if (!this._hasShown) {
+      SanitizeUI.init();
+      this._hasShown = true;
+
+      Services.prefs.addObserver("privacy.donottrackheader.value",
+                                 this,
+                                 false);
+      Services.prefs.addObserver("privacy.donottrackheader.enabled",
+                                 this,
+                                 false);
+      Services.prefs.addObserver("app.crashreporter.autosubmit",
+                                 this,
+                                 false);
+      Services.prefs.addObserver("app.crashreporter.submitURLs",
+                                 this,
+                                 false);
+    }
+
+    this._topmostElement.show();
+  },
+
+  observe: function(subject, topic, data) {
+    let value = -1;
+    try {
+      value = Services.prefs.getIntPref("privacy.donottrackheader.value");
+    } catch(e) {
+    }
+
+    let isEnabled = Services.prefs.getBoolPref("privacy.donottrackheader.enabled");
+
+    switch (data) {
+      case "privacy.donottrackheader.value":
+        // If the user has selected to explicitly tell sites that tracking
+        // is OK, or if the user has selected to explicitly tell sites that
+        // tracking is NOT OK, we must enable sending the dnt header
+        if (((1 == value) || (0 == value)) && !isEnabled) {
+          Services.prefs.setBoolPref('privacy.donottrackheader.enabled', true);
+        }
+
+        // If the user has made no selection about whether tracking
+        // is OK or not, we must diable the dnt header
+        if (((1 != value) && (0 != value)) && isEnabled) {
+          Services.prefs.setBoolPref('privacy.donottrackheader.enabled', false);
+        }
+        break;
+
+      case "privacy.donottrackheader.enabled":
+        // If someone or something modifies this pref, we should update the
+        // other pref as well so our UI doesn't give false information
+        if (((1 == value) || (0 == value)) && !isEnabled) {
+          Services.prefs.setIntPref('privacy.donottrackheader.value', -1);
+        }
+        break;
+
+      case "app.crashreporter.autosubmit":
+        let autosubmit = Services.prefs.getBoolPref("app.crashreporter.autosubmit");
+        let urlCheckbox = document.getElementById("prefs-reporting-submitURLs");
+        if (!autosubmit) {
+          // disables the submitURLs ui if no crashreports will be submited, but doesn't change the pref 
+          urlCheckbox.setAttribute("disabled", true);
+        }
+        else {
+          urlCheckbox.setAttribute("disabled", false);
+        }
+        break;
+
+      case "app.crashreporter.submitURLs":
+        this._updateSubmitURLs();
+        break;
+    }
+  },
+
+  _updateSubmitURLs: function() {
+    let submitURLs = Services.prefs.getBoolPref("app.crashreporter.submitURLs");
+    let urlCheckbox = document.getElementById("prefs-reporting-submitURLs");
+    if (submitURLs) {
+      urlCheckbox.checked = true; 
+    }
+    else {
+      urlCheckbox.checked = false;
+    }
+  },
+};