Generate compiled_resources2.gyp for Polymer based on <link rel=import>s

third_party/polymer/v1_0/components-chromium/iron-behaviors/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.
-{
-  'targets': [
-    {
-      'target_name': 'iron-button-state-extracted',
-      'dependencies': [
-        '../iron-a11y-keys-behavior/compiled_resources2.gyp:iron-a11y-keys-behavior-extracted',
-      ],
-      'includes': ['../../../../closure_compiler/compile_js2.gypi'],
-    },
-    {
-      'target_name': 'iron-control-state-extracted',
-      'includes': ['../../../../closure_compiler/compile_js2.gypi'],
-    },
-  ],
-}
+{ 'targets': [ { 'dependencies': [ u'../iron-a11y-keys-behavior/compiled_resources2.gyp:iron-a11y-keys-behavior-extracted',
+                                   u'compiled_resources2.gyp:iron-control-state-extracted'],
+                 'includes': [ '../../../../closure_compiler/compile_js2.gypi'],
+                 'target_name': 'iron-button-state-extracted'},
+               { 'includes': [ '../../../../closure_compiler/compile_js2.gypi'],
+                 'target_name': 'iron-control-state-extracted'}]}