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

third_party/WebKit/Source/bindings/tests/results/core/V8TestIntegerIndexed.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestIntegerIndexed.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestIntegerIndexed.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestIntegerIndexed.cpp
index 6eb9b3c879c5e27b84542b7ade26db981d4ad606..a307d2ab6bd94021635c30d43833e4f1fdb4b6f7 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestIntegerIndexed.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestIntegerIndexed.cpp
@@ -12,6 +12,8 @@
 #include "V8TestIntegerIndexed.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/V8Document.h"
 #include "bindings/core/v8/V8Node.h"
@@ -68,7 +70,7 @@ static void lengthAttributeSetter(v8::Local<v8::Value> v8Value, const v8::Functi
   ExceptionState exceptionState(info.GetIsolate(), ExceptionState::SetterContext, "TestIntegerIndexed", "length");
 
   // Prepare the value to be set.
-  int16_t cppValue = toInt16(info.GetIsolate(), v8Value, NormalConversion, exceptionState);
+  int16_t cppValue = NativeValueTraits<IDLShort>::nativeValue(info.GetIsolate(), v8Value, exceptionState, NormalConversion);
   if (exceptionState.hadException())
     return;
 
@@ -208,4 +210,8 @@ TestIntegerIndexed* V8TestIntegerIndexed::toImplWithTypeCheck(v8::Isolate* isola
   return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
+TestIntegerIndexed* NativeValueTraits<TestIntegerIndexed>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState) {
+  return V8TestIntegerIndexed::toImplWithTypeCheck(isolate, value);
+}
+
 }  // namespace blink