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

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor3.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor3.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor3.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor3.cpp
index 53d21c6b9a7f54f0c81db9ad2f23e9dbb2d17826..81629e37b6c0c50b3ca97fd2c647d8d63881cb4a 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor3.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor3.cpp
@@ -12,6 +12,8 @@
 #include "V8TestInterfaceConstructor3.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/V8ObjectConstructor.h"
 #include "core/dom/Document.h"
@@ -117,4 +119,8 @@ TestInterfaceConstructor3* V8TestInterfaceConstructor3::toImplWithTypeCheck(v8::
   return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
+TestInterfaceConstructor3* NativeValueTraits<TestInterfaceConstructor3>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
+  return V8TestInterfaceConstructor3::toImplWithTypeCheck(isolate, value);
+}
+
 }  // namespace blink