Add a new bindings2/scripts directory for Dart bindings

sky/engine/bindings2/scripts/templates/interface_h.template

Index: sky/engine/bindings2/scripts/templates/interface_h.template
diff --git a/sky/engine/bindings2/scripts/templates/interface_h.template b/sky/engine/bindings2/scripts/templates/interface_h.template
new file mode 100644
index 0000000000000000000000000000000000000000..a5f823269a03ba41fc890708c5e7bda9aa5945a0
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+++ b/sky/engine/bindings2/scripts/templates/interface_h.template
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+// Copyright 2015 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.
+
+// WARNING: Do not edit - generated code.
+
+#ifndef GEN_SKY_BINDINGS_{{dart_class}}_H_
+#define GEN_SKY_BINDINGS_{{dart_class}}_H_
+
+{% for filename in header_includes %}
+#include "{{filename}}"
+{% endfor %}
+
+namespace blink {
+
+struct {{dart_class}} {
+  static bool hasInstance(Dart_Handle handle) {
+    // TODO(abarth): Need to look up the class_id from |handle| and compare with |dart_class_id|.
+    return false;
+  }
+
+  static Dart_NativeFunction Resolver(Dart_Handle name,
+                                      int argument_count,
+                                      bool* auto_scope);
+  static const uint8_t* Symbolizer(Dart_NativeFunction native_function);
+};
+
+namespace {{dart_class}}Internal {
+  {% from 'methods_cpp.template' import static_method_name %}
+
+  {% if has_custom_constructor %}
+  {# FIXME(vsm): Name this properly. #}
+  void constructorCallback(Dart_NativeArguments);
+  {% endif %}
+
+  {% if has_event_constructor %}
+  void initialize{{interface_name}}ForDart({{interface_name}}Init&, const String&, const HashMap<String, Dart_Handle>&, Dart_Handle&);
+  {% endif %}
+  {% for method in methods if method.is_custom_element_callbacks and not method.suppressed %}
+  void {{method.name}}_{{method.number_of_arguments}}(Dart_NativeArguments);
+  {% endfor %}
+  {% for method in methods if method.is_custom or method.custom_dart_new %}
+  void {{static_method_name(method.name)}}(Dart_NativeArguments args);
+    {% if method.overload_index == 1 %}
+  void {{static_method_name(method.name, 0)}}(Dart_NativeArguments args);
+    {% endif %}
+  {% endfor %}
+  {% for attribute in attributes %}
+    {% if attribute.has_custom_getter %}
+  void {{attribute.name}}Getter(Dart_NativeArguments);
+    {% endif %}
+    {% if attribute.has_custom_setter %}
+  void {{attribute.name}}Setter(Dart_NativeArguments);
+    {% endif %}
+  {% endfor %}
+}
+
+}  // namespace blink
+
+#endif // GEN_SKY_BINDINGS_{{dart_class}}_H_