Adding GYP V2 targets for all Polymer code (with a script!).

third_party/polymer/v1_0/components-chromium/iron-iconset-svg/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': 'settings_resources',
-      'type': 'none',
+      'target_name': 'iron-iconset-svg-extracted',
       'dependencies': [
-        'reset_page/compiled_resources2.gyp:*',
+        '../iron-meta/compiled_resources2.gyp:iron-meta-extracted'
       ],
-    },
-  ],
-}
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    }
+  ]
+}