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

third_party/WebKit/Source/bindings/tests/results/core/V8DataView.h

Index: third_party/WebKit/Source/bindings/tests/results/core/V8DataView.h
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.h b/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.h
index 14494d37395992e7fbb39be98a5096a53d95d031..6cee3505c5d8a7e34464635e3ddd313c6438b595 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.h
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.h
@@ -13,6 +13,7 @@
 #define V8DataView_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/V8ArrayBufferView.h"
@@ -49,6 +50,11 @@ class V8DataView {
 };
 
 template <>
+struct NativeValueTraits<TestDataView> : public NativeValueTraitsBase<TestDataView> {
+  CORE_EXPORT static TestDataView* nativeValue(v8::Isolate*, v8::Local<v8::Value>, ExceptionState&);
+};
+
+template <>
 struct V8TypeOf<TestDataView> {
   typedef V8DataView Type;
 };