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

third_party/WebKit/Source/bindings/tests/results/core/V8DataView.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8DataView.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.cpp
index 1cfeea5e814ff97df3656778b8fc90ac26fc923c..da0da6f06671b7dc653cf327ec773ec62b34b6c5 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8DataView.cpp
@@ -12,6 +12,8 @@
 #include "V8DataView.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 @@ TestDataView* V8DataView::toImplWithTypeCheck(v8::Isolate* isolate, v8::Local<v8
   return value->IsDataView() ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
+TestDataView* NativeValueTraits<TestDataView>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
+  return V8DataView::toImplWithTypeCheck(isolate, value);
+}
+
 }  // namespace blink