diff -r 000000000000 -r 6474c204b198 browser/metro/base/content/sanitizeUI.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/metro/base/content/sanitizeUI.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,88 @@
+// -*- 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";
+
+var SanitizeUI = {
+  _sanitizer: null,
+
+  _privDataElement: null,
+  get _privData() {
+    if (this._privDataElement === null) {
+      this._privDataElement = document.getElementById("prefs-privdata");
+    }
+    return this._privDataElement;
+  },
+
+  init: function () {
+    this._sanitizer = new Sanitizer();
+    this._privData.addEventListener("CheckboxStateChange", this, true);
+  },
+
+  _clearNotificationTimeout: null,
+  onSanitize: function onSanitize() {
+    let button = document.getElementById("prefs-clear-data");
+    let clearNotificationDeck = document.getElementById("clear-notification");
+    let clearNotificationEmpty = document.getElementById("clear-notification-empty");
+    let clearNotificationClearing = document.getElementById("clear-notification-clearing");
+    let clearNotificationDone = document.getElementById("clear-notification-done");
+    let allCheckboxes = SanitizeUI._privData.querySelectorAll("checkbox");
+    let allSelected = SanitizeUI._privData.querySelectorAll(
+      "#prefs-privdata-history[checked], " +
+      "#prefs-privdata-other[checked] + #prefs-privdata-subitems .privdata-subitem-item[checked]");
+
+    // disable button and checkboxes temporarily to indicate something is happening
+    button.disabled = true;
+    for (let checkbox of allCheckboxes) {
+      checkbox.disabled = true;
+    }
+    clearNotificationDeck.selectedPanel = clearNotificationClearing;
+    document.getElementById("clearprivacythrobber").enabled = true;
+
+    // Run asynchronously to let UI update
+    setTimeout(function() {
+      for (let item of allSelected) {
+        let itemName = item.getAttribute("itemName");
+
+        try {
+          SanitizeUI._sanitizer.clearItem(itemName);
+        } catch(e) {
+          Components.utils.reportError("Error sanitizing " + itemName + ": " + e);
+        }
+      }
+
+      button.disabled = false;
+      for (let checkbox of allCheckboxes) {
+        checkbox.disabled = false;
+      }
+      clearNotificationDeck.selectedPanel = clearNotificationDone;
+      document.getElementById("clearprivacythrobber").enabled = false;
+
+      // Clear notifications after 4 seconds
+      clearTimeout(SanitizeUI._clearNotificationTimeout);
+      SanitizeUI._clearNotificationTimeout = setTimeout(function() {
+        clearNotificationDeck.selectedPanel = clearNotificationEmpty;
+      }, 4000);
+    }, 0);
+  },
+
+  /* Disable the clear button when nothing is selected */
+  _onCheckboxChange: function _onCheckboxChange() {
+    let anySelected = SanitizeUI._privData.querySelector(
+      "#prefs-privdata-history[checked], " +
+      "#prefs-privdata-other[checked] + #prefs-privdata-subitems .privdata-subitem-item[checked]");
+
+    let clearButton = document.getElementById("prefs-clear-data");
+    clearButton.disabled = !anySelected;
+  },
+
+  handleEvent: function (aEvent) {
+    switch (aEvent.type) {
+      case "CheckboxStateChange":
+        this._onCheckboxChange();
+        break;
+    }
+  },
+};
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