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

third_party/polymer/v1_0/components-chromium/iron-flex-layout/compiled_resources2.gyp

Index: third_party/polymer/v1_0/components-chromium/iron-flex-layout/compiled_resources2.gyp
diff --git a/third_party/polymer/v1_0/components-chromium/iron-flex-layout/compiled_resources2.gyp b/third_party/polymer/v1_0/components-chromium/iron-flex-layout/compiled_resources2.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..377014858d0e1fc541eb9f4ae591a16fec4ba5ab
--- /dev/null
+++ b/third_party/polymer/v1_0/components-chromium/iron-flex-layout/compiled_resources2.gyp
@@ -0,0 +1,28 @@
+# 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-flex-layout-extracted',
+      'dependencies': [
+        'iron-shadow-flex-layout-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'iron-shadow-flex-layout-extracted',
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'iron-flex-layout-extracted',
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    }
+  ]
+}