Roll Polymer to 1.3.1

third_party/polymer/v1_0/components-chromium/iron-dropdown/compiled_resources2.gyp

 # 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.
 #
 # NOTE: Created with generate_compiled_resources_gyp.py, please do not edit.
 {
   'targets': [
     {
-      'target_name': 'iron-dropdown-scroll-manager-extracted',
-      'dependencies': [
-        '../iron-a11y-keys-behavior/compiled_resources2.gyp:iron-a11y-keys-behavior-extracted',
-      ],
-      'includes': ['../../../../closure_compiler/compile_js2.gypi'],
-    },
-    {
       'target_name': 'iron-dropdown-extracted',
       'dependencies': [
         '../iron-a11y-keys-behavior/compiled_resources2.gyp:iron-a11y-keys-behavior-extracted',
         '../iron-behaviors/compiled_resources2.gyp:iron-control-state-extracted',
         '../iron-overlay-behavior/compiled_resources2.gyp:iron-overlay-behavior-extracted',
         '../iron-resizable-behavior/compiled_resources2.gyp:iron-resizable-behavior-extracted',
         '../neon-animation/animations/compiled_resources2.gyp:opaque-animation-extracted',
         '../neon-animation/compiled_resources2.gyp:neon-animation-runner-behavior-extracted',
         'iron-dropdown-scroll-manager-extracted',
       ],
       'includes': ['../../../../closure_compiler/compile_js2.gypi'],
     },
+    {
+      'target_name': 'iron-dropdown-scroll-manager-extracted',
+      'dependencies': [
+        '../iron-a11y-keys-behavior/compiled_resources2.gyp:iron-a11y-keys-behavior-extracted',
+      ],
+      'includes': ['../../../../closure_compiler/compile_js2.gypi'],
+    },
   ],
 }