diff -r 000000000000 -r 6474c204b198 browser/base/content/test/plugins/browser_clearplugindata.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/plugins/browser_clearplugindata.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,133 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var rootDir = getRootDirectory(gTestPath);
+const gHttpTestRoot = rootDir.replace("chrome://mochitests/content/", "http://mochi.test:8888/");
+
+// Test clearing plugin data using sanitize.js.
+const testURL1 = gHttpTestRoot + "browser_clearplugindata.html";
+const testURL2 = gHttpTestRoot + "browser_clearplugindata_noage.html";
+
+let tempScope = {};
+Cc["@mozilla.org/moz/jssubscript-loader;1"].getService(Ci.mozIJSSubScriptLoader)
+                                           .loadSubScript("chrome://browser/content/sanitize.js", tempScope);
+let Sanitizer = tempScope.Sanitizer;
+
+const pluginHostIface = Ci.nsIPluginHost;
+var pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
+pluginHost.QueryInterface(pluginHostIface);
+
+var pluginTag = getTestPlugin();
+var s;
+
+function stored(needles) {
+  var something = pluginHost.siteHasData(this.pluginTag, null);
+  if (!needles)
+    return something;
+
+  if (!something)
+    return false;
+
+  for (var i = 0; i < needles.length; ++i) {
+    if (!pluginHost.siteHasData(this.pluginTag, needles[i]))
+      return false;
+  }
+  return true;
+}
+
+function test() {
+  waitForExplicitFinish();
+  setTestPluginEnabledState(Ci.nsIPluginTag.STATE_ENABLED);
+
+  s = new Sanitizer();
+  s.ignoreTimespan = false;
+  s.prefDomain = "privacy.cpd.";
+  var itemPrefs = gPrefService.getBranch(s.prefDomain);
+  itemPrefs.setBoolPref("history", false);
+  itemPrefs.setBoolPref("downloads", false);
+  itemPrefs.setBoolPref("cache", false);
+  itemPrefs.setBoolPref("cookies", true); // plugin data
+  itemPrefs.setBoolPref("formdata", false);
+  itemPrefs.setBoolPref("offlineApps", false);
+  itemPrefs.setBoolPref("passwords", false);
+  itemPrefs.setBoolPref("sessions", false);
+  itemPrefs.setBoolPref("siteSettings", false);
+
+  executeSoon(test_with_age);
+}
+
+function setFinishedCallback(callback)
+{
+  let testPage = gBrowser.selectedBrowser.contentWindow.wrappedJSObject;
+  testPage.testFinishedCallback = function() {
+    setTimeout(function() {
+      info("got finished callback");
+      callback();
+    }, 0);
+  }
+}
+
+function test_with_age()
+{
+  // Load page to set data for the plugin.
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.selectedBrowser.addEventListener("load", function () {
+    gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
+
+    setFinishedCallback(function() {
+      ok(stored(["foo.com","bar.com","baz.com","qux.com"]),
+        "Data stored for sites");
+
+      // Clear 20 seconds ago
+      var now_uSec = Date.now() * 1000;
+      s.range = [now_uSec - 20*1000000, now_uSec];
+      s.sanitize();
+
+      ok(stored(["bar.com","qux.com"]), "Data stored for sites");
+      ok(!stored(["foo.com"]), "Data cleared for foo.com");
+      ok(!stored(["baz.com"]), "Data cleared for baz.com");
+
+      // Clear everything
+      s.range = null;
+      s.sanitize();
+
+      ok(!stored(null), "All data cleared");
+
+      gBrowser.removeCurrentTab();
+
+      executeSoon(test_without_age);
+    });
+  }, true);
+  content.location = testURL1;
+}
+
+function test_without_age()
+{
+  // Load page to set data for the plugin.
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.selectedBrowser.addEventListener("load", function () {
+    gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
+
+    setFinishedCallback(function() {
+      ok(stored(["foo.com","bar.com","baz.com","qux.com"]),
+        "Data stored for sites");
+
+      // Attempt to clear 20 seconds ago. The plugin will throw
+      // NS_ERROR_PLUGIN_TIME_RANGE_NOT_SUPPORTED, which should result in us
+      // clearing all data regardless of age.
+      var now_uSec = Date.now() * 1000;
+      s.range = [now_uSec - 20*1000000, now_uSec];
+      s.sanitize();
+
+      ok(!stored(null), "All data cleared");
+
+      gBrowser.removeCurrentTab();
+
+      executeSoon(finish);
+    });
+  }, true);
+  content.location = testURL2;
+}
+