[MD settings] settings for pdf documents

chrome/browser/resources/settings/site_settings/pdf_documents.js

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @fileoverview
+ * 'pdf-documents' is the polymer element for showing the
+ * settings for viewing PDF documents under Site Settings.
+ */
+
+Polymer({
+  is: 'pdf-documents',
+
+  properties: {
+    prefs: {
+      type: Object,
+      notify: true,
+    },
+  },
+});