MD Downloads: convert <paper-dropdown-menu> to <dialog is="cr-action-menu">

chrome/browser/resources/md_downloads/compiled_resources2.gyp

 # Copyright 2015 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.
 {
   'targets': [
     {
       'target_name': 'action_service',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:assert',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
@@ skipping 46 matching lines @@
         '<(EXTERNS_GYP):chrome_send',
         'externs',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'toolbar',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:util',
+        '<(DEPTH)/ui/webui/resources/cr_elements/cr_action_menu/compiled_resources2.gyp:cr_action_menu',
         '<(DEPTH)/ui/webui/resources/cr_elements/cr_toolbar/compiled_resources2.gyp:cr_toolbar',
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-menu/compiled_resources2.gyp:paper-menu-extracted',
         'action_service',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ],
 }