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

third_party/polymer/v1_0/components-chromium/paper-input/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': 'all-imports-extracted',
+      'dependencies': [
+        'paper-input-extracted',
+        'paper-textarea-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'paper-input-addon-behavior-extracted',
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'paper-input-behavior-extracted',
+      'dependencies': [
+        '../iron-a11y-keys-behavior/compiled_resources2.gyp:iron-a11y-keys-behavior-extracted',
+        '../iron-behaviors/compiled_resources2.gyp:iron-control-state-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'paper-input-char-counter-extracted',
+      'dependencies': [
+        '../paper-styles/compiled_resources2.gyp:typography-extracted',
+        'paper-input-addon-behavior-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'paper-input-container-extracted',
+      'dependencies': [
+        '../iron-flex-layout/compiled_resources2.gyp:iron-flex-layout-extracted',
+        '../paper-styles/compiled_resources2.gyp:color-extracted',
+        '../paper-styles/compiled_resources2.gyp:default-theme-extracted',
+        '../paper-styles/compiled_resources2.gyp:typography-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'paper-input-error-extracted',
+      'dependencies': [
+        '../paper-styles/compiled_resources2.gyp:color-extracted',
+        '../paper-styles/compiled_resources2.gyp:typography-extracted',
+        'paper-input-addon-behavior-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'paper-input-extracted',
+      'dependencies': [
+        '../iron-form-element-behavior/compiled_resources2.gyp:iron-form-element-behavior-extracted',
+        '../iron-input/compiled_resources2.gyp:iron-input-extracted',
+        'paper-input-behavior-extracted',
+        'paper-input-char-counter-extracted',
+        'paper-input-container-extracted',
+        'paper-input-error-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    },
+    {
+      'target_name': 'paper-textarea-extracted',
+      'dependencies': [
+        '../iron-autogrow-textarea/compiled_resources2.gyp:iron-autogrow-textarea-extracted',
+        'paper-input-behavior-extracted',
+        'paper-input-char-counter-extracted',
+        'paper-input-container-extracted',
+        'paper-input-error-extracted'
+      ],
+      'includes': [
+        '../../../../closure_compiler/compile_js2.gypi'
+      ]
+    }
+  ]
+}