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

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor4.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor4.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor4.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor4.cpp
index cf2ce14df5b3a2afaa54211f3daf03b29fd96ce7..942b9fb73d0f06ff263f4ff6c76a29e0e6871c4c 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor4.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor4.cpp
@@ -12,6 +12,8 @@
 #include "V8TestInterfaceConstructor4.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 "bindings/core/v8/V8TestInterfaceConstructor4.h"
@@ -72,7 +74,7 @@ static void constructor2(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ExceptionState exceptionState(info.GetIsolate(), ExceptionState::ConstructionContext, "TestInterfaceConstructor4");
 
   V8StringResource<> usvStringArg;
-  usvStringArg = toUSVString(info.GetIsolate(), info[0], exceptionState);
+  usvStringArg = NativeValueTraits<IDLUSVString>::nativeValue(info.GetIsolate(), info[0], exceptionState);
   if (exceptionState.hadException())
     return;
 
@@ -150,4 +152,8 @@ TestInterfaceConstructor4* V8TestInterfaceConstructor4::toImplWithTypeCheck(v8::
   return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
+TestInterfaceConstructor4* NativeValueTraits<TestInterfaceConstructor4>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
+  return V8TestInterfaceConstructor4::toImplWithTypeCheck(isolate, value);
+}
+
 }  // namespace blink