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

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface3.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface3.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface3.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface3.cpp
index 16f0bc2165b195bb91fb00f25a4791a9a8448d77..52fd1bb631cd8318985cc8105bb1f63678ce87ad 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface3.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface3.cpp
@@ -12,6 +12,8 @@
 #include "V8TestInterface3.h"
 
 #include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/IDLTypes.h"
+#include "bindings/core/v8/NativeValueTraitsImpl.h"
 #include "bindings/core/v8/V8DOMConfiguration.h"
 #include "bindings/core/v8/V8Document.h"
 #include "bindings/core/v8/V8Node.h"
@@ -218,4 +220,8 @@ TestInterface3* V8TestInterface3::toImplWithTypeCheck(v8::Isolate* isolate, v8::
   return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
+TestInterface3* NativeValueTraits<TestInterface3>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
+  return V8TestInterface3::toImplWithTypeCheck(isolate, value);
+}
+
 }  // namespace blink