bindings GYP: split off scripts

Source/bindings/templates/templates.gypi

Index: Source/bindings/templates/templates.gypi
diff --git a/Source/bindings/templates/templates.gypi b/Source/bindings/templates/templates.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..a019fab8d285eb00361f11d493f8a7b4ed00edc6
--- /dev/null
+++ b/Source/bindings/templates/templates.gypi
@@ -0,0 +1,17 @@
+# Copyright 2014 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.
+
+{
+  'variables': {
+    'code_generator_template_files': [
+      'attributes.cpp',
+      'callback_interface.cpp',
+      'callback_interface.h',
+      'interface_base.cpp',
+      'interface.cpp',
+      'interface.h',
+      'methods.cpp',
+    ],
+  },
+}