bindings: Add C++ versions of WebIDL types and generalize NativeValueTraits.

third_party/WebKit/Source/bindings/tests/results/modules/V8TestInterface5.h

 // 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.
 
 // This file has been auto-generated by code_generator_v8.py.
 // DO NOT MODIFY!
 
 // This file has been generated from the Jinja2 template in
 // third_party/WebKit/Source/bindings/templates/interface.h.tmpl
 
 // clang-format off
 #ifndef V8TestInterface5_h
 #define V8TestInterface5_h
 
 #include "bindings/core/v8/DoubleOrString.h"
 #include "bindings/core/v8/GeneratedCodeHelper.h"
+#include "bindings/core/v8/NativeValueTraits.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/ToV8.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
 #include "bindings/core/v8/V8TestInterfaceEmpty.h"
 #include "bindings/core/v8/WrapperTypeInfo.h"
 #include "bindings/modules/v8/BooleanOrString.h"
 #include "bindings/tests/idls/modules/TestInterface5Implementation.h"
 #include "modules/ModulesExport.h"
 #include "platform/heap/Handle.h"
@@ skipping 65 matching lines @@
   MODULES_EXPORT static void namedPropertySetterCallback(v8::Local<v8::Name>, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&);
   MODULES_EXPORT static void namedPropertyDeleterCallback(v8::Local<v8::Name>, const v8::PropertyCallbackInfo<v8::Boolean>&);
   MODULES_EXPORT static void namedPropertyQueryCallback(v8::Local<v8::Name>, const v8::PropertyCallbackInfo<v8::Integer>&);
   MODULES_EXPORT static void namedPropertyEnumeratorCallback(const v8::PropertyCallbackInfo<v8::Array>&);
   MODULES_EXPORT static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>&);
   MODULES_EXPORT static void indexedPropertySetterCallback(uint32_t index, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&);
   MODULES_EXPORT static void indexedPropertyDeleterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>&);
 };
 
 template <>
+struct NativeValueTraits<TestInterface5Implementation> : public NativeValueTraitsBase<TestInterface5Implementation> {
+  MODULES_EXPORT static TestInterface5Implementation* nativeValue(v8::Isolate*, v8::Local<v8::Value>, ExceptionState&);
+};
+
+template <>
 struct V8TypeOf<TestInterface5Implementation> {
   typedef V8TestInterface5 Type;
 };
 
 }  // namespace blink
 
 #endif  // V8TestInterface5_h