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

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceSecureContext.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceSecureContext.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceSecureContext.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceSecureContext.cpp
index 596823292e402679c3aea30e6a12e3b62ebe2912..f3abffda32773fe250beeae39dc5a9f2008a3117 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceSecureContext.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceSecureContext.cpp
@@ -12,6 +12,8 @@
 #include "V8TestInterfaceSecureContext.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"
@@ -360,6 +362,10 @@ TestInterfaceSecureContext* V8TestInterfaceSecureContext::toImplWithTypeCheck(v8
   return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
+TestInterfaceSecureContext* NativeValueTraits<TestInterfaceSecureContext>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
+  return V8TestInterfaceSecureContext::toImplWithTypeCheck(isolate, value);
+}
+
 void V8TestInterfaceSecureContext::preparePrototypeAndInterfaceObject(v8::Local<v8::Context> context, const DOMWrapperWorld& world, v8::Local<v8::Object> prototypeObject, v8::Local<v8::Function> interfaceObject, v8::Local<v8::FunctionTemplate> interfaceTemplate) {
   v8::Isolate* isolate = context->GetIsolate();
   v8::Local<v8::Signature> signature = v8::Signature::New(isolate, interfaceTemplate);