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

third_party/WebKit/Source/bindings/tests/results/core/V8ArrayBuffer.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8ArrayBuffer.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8ArrayBuffer.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8ArrayBuffer.cpp
index 2fed25add850be4d91b5b438addcdeb8aab0f4ae..e40bd0c5d71d0b63d9f19963e85ea89b095964ee 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8ArrayBuffer.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8ArrayBuffer.cpp
@@ -12,6 +12,8 @@
 #include "V8ArrayBuffer.h"
 
 #include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/IDLTypes.h"
+#include "bindings/core/v8/NativeValueTraitsImpl.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8DOMConfiguration.h"
 #include "bindings/core/v8/V8ObjectConstructor.h"
@@ -77,4 +79,8 @@ TestArrayBuffer* V8ArrayBuffer::toImplWithTypeCheck(v8::Isolate* isolate, v8::Lo
   return value->IsArrayBuffer() ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
+TestArrayBuffer* NativeValueTraits<TestArrayBuffer>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
+  return V8ArrayBuffer::toImplWithTypeCheck(isolate, value);
+}
+
 }  // namespace blink