import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/mozapps/extensions/content/pluginPrefs.xul

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+
+<!-- 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/.  -->
+
+<!DOCTYPE window SYSTEM "chrome://pluginproblem/locale/pluginproblem.dtd">
+
+<vbox xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <setting type="control" title="&plugin.file;">
+    <label class="text-list" id="pluginLibraries"/>
+  </setting>
+  <setting type="control" title="&plugin.mimeTypes;">
+    <label class="text-list" id="pluginMimeTypes"/>
+  </setting>
+  <setting type="bool" pref="dom.ipc.plugins.flash.disable-protected-mode"
+           inverted="true" title="&plugin.flashProtectedMode.label;"
+           id="pluginEnableProtectedMode"
+           learnmore="https://support.mozilla.org/kb/flash-protected-mode-settings" />
+</vbox>