diff -r 000000000000 -r 6474c204b198 browser/base/content/test/plugins/browser_CTP_drag_drop.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/plugins/browser_CTP_drag_drop.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,100 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+let gHttpTestRoot = getRootDirectory(gTestPath).replace("chrome://mochitests/content/", "http://127.0.0.1:8888/");
+
+let gNextTest = null;
+let gNewWindow = null;
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+function test() {
+  waitForExplicitFinish();
+  registerCleanupFunction(function() {
+    clearAllPluginPermissions();
+    Services.prefs.clearUserPref("plugins.click_to_play");
+  });
+  Services.prefs.setBoolPref("plugins.click_to_play", true);
+  setTestPluginEnabledState(Ci.nsIPluginTag.STATE_CLICKTOPLAY);
+
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.selectedBrowser.addEventListener("PluginBindingAttached", handleEvent, true, true);
+  gNextTest = part1;
+  gBrowser.selectedBrowser.contentDocument.location = gHttpTestRoot + "plugin_test.html";
+}
+
+function handleEvent() {
+  gNextTest();
+}
+
+function part1() {
+  gBrowser.selectedBrowser.removeEventListener("PluginBindingAttached", handleEvent);
+  ok(PopupNotifications.getNotification("click-to-play-plugins", gBrowser.selectedBrowser), "Should have a click-to-play notification in the initial tab");
+
+  gNextTest = part2;
+  gNewWindow = gBrowser.replaceTabWithWindow(gBrowser.selectedTab);
+  gNewWindow.addEventListener("load", handleEvent, true);
+}
+
+function part2() {
+  gNewWindow.removeEventListener("load", handleEvent);
+  let condition = function() PopupNotifications.getNotification("click-to-play-plugins", gNewWindow.gBrowser.selectedBrowser);
+  waitForCondition(condition, part3, "Waited too long for click-to-play notification");
+}
+
+function part3() {
+  ok(PopupNotifications.getNotification("click-to-play-plugins", gNewWindow.gBrowser.selectedBrowser), "Should have a click-to-play notification in the tab in the new window");
+  ok(!PopupNotifications.getNotification("click-to-play-plugins", gBrowser.selectedBrowser), "Should not have a click-to-play notification in the old window now");
+
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.swapBrowsersAndCloseOther(gBrowser.selectedTab, gNewWindow.gBrowser.selectedTab);
+  let condition = function() PopupNotifications.getNotification("click-to-play-plugins", gBrowser.selectedBrowser);
+  waitForCondition(condition, part4, "Waited too long for click-to-play notification");
+}
+
+function part4() {
+  ok(PopupNotifications.getNotification("click-to-play-plugins", gBrowser.selectedBrowser), "Should have a click-to-play notification in the initial tab again");
+
+  gBrowser.selectedBrowser.addEventListener("PluginBindingAttached", handleEvent, true, true);
+  gNextTest = part5;
+  gBrowser.selectedBrowser.contentDocument.location = gHttpTestRoot + "plugin_test.html";
+}
+
+function part5() {
+  gBrowser.selectedBrowser.removeEventListener("PluginBindingAttached", handleEvent);
+  ok(PopupNotifications.getNotification("click-to-play-plugins", gBrowser.selectedBrowser), "Should have a click-to-play notification in the initial tab");
+
+  gNewWindow = gBrowser.replaceTabWithWindow(gBrowser.selectedTab);
+  waitForFocus(part6, gNewWindow);
+}
+
+function part6() {
+  let condition = function() PopupNotifications.getNotification("click-to-play-plugins", gNewWindow.gBrowser.selectedBrowser);
+  waitForCondition(condition, part7, "Waited too long for click-to-play notification");
+}
+
+function part7() {
+  ok(PopupNotifications.getNotification("click-to-play-plugins", gNewWindow.gBrowser.selectedBrowser), "Should have a click-to-play notification in the tab in the new window");
+  ok(!PopupNotifications.getNotification("click-to-play-plugins", gBrowser.selectedBrowser), "Should not have a click-to-play notification in the old window now");
+
+  let plugin = gNewWindow.gBrowser.selectedBrowser.contentDocument.getElementById("test");
+  let objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
+  ok(!objLoadingContent.activated, "plugin should not be activated");
+
+  EventUtils.synthesizeMouseAtCenter(plugin, {}, gNewWindow.gBrowser.selectedBrowser.contentWindow);
+  let condition = function() !PopupNotifications.getNotification("click-to-play-plugins", gNewWindow.gBrowser.selectedBrowser).dismissed && gNewWindow.PopupNotifications.panel.firstChild;
+  waitForCondition(condition, part8, "waited too long for plugin to activate");
+}
+
+function part8() {
+  // Click the activate button on doorhanger to make sure it works
+  gNewWindow.PopupNotifications.panel.firstChild._primaryButton.click();
+
+  let plugin = gNewWindow.gBrowser.selectedBrowser.contentDocument.getElementById("test");
+  let objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
+  ok(objLoadingContent.activated, "plugin should be activated now");
+
+  gNewWindow.close();
+  gNewWindow = null;
+  finish();
+}