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

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

Index: third_party/WebKit/Source/bindings/tests/results/modules/VoidCallbackFunctionModules.h
diff --git a/third_party/WebKit/Source/bindings/tests/results/modules/VoidCallbackFunctionModules.h b/third_party/WebKit/Source/bindings/tests/results/modules/VoidCallbackFunctionModules.h
index fc720f86b767c21a9bd63220c04f3011f3f69bed..d10cccdd0ce48f2dde7875410f4f83fa864700e1 100644
--- a/third_party/WebKit/Source/bindings/tests/results/modules/VoidCallbackFunctionModules.h
+++ b/third_party/WebKit/Source/bindings/tests/results/modules/VoidCallbackFunctionModules.h
@@ -13,6 +13,7 @@
 #ifndef VoidCallbackFunctionModules_h
 #define VoidCallbackFunctionModules_h
 
+#include "bindings/core/v8/NativeValueTraits.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/TraceWrapperV8Reference.h"
 #include "modules/ModulesExport.h"
@@ -45,6 +46,11 @@ class MODULES_EXPORT VoidCallbackFunctionModules final : public GarbageCollected
   TraceWrapperV8Reference<v8::Function> m_callback;
 };
 
+template <>
+struct NativeValueTraits<VoidCallbackFunctionModules> : public NativeValueTraitsBase<VoidCallbackFunctionModules> {
+  MODULES_EXPORT static VoidCallbackFunctionModules* nativeValue(v8::Isolate*, v8::Local<v8::Value>, ExceptionState&);
+};
+
 }  // namespace blink
 
 #endif  // VoidCallbackFunctionModules_h