WIP: Migrate generated bindings to new ExceptionState constructor.

Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp

Index: Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
diff --git a/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp b/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
index 94e8bf2cd78fcb7653bd0efbeb00bd3f48d90b5c..d5709cc7015db0e30c14cdc721415ee62c067818 100644
--- a/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
+++ b/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
@@ -118,7 +118,7 @@ void V8XMLHttpRequest::responseAttributeGetterCustom(const v8::PropertyCallbackI
 
     case XMLHttpRequest::ResponseTypeDocument:
         {
-            ExceptionState exceptionState(info.Holder(), info.GetIsolate());
+            ExceptionState exceptionState(ExceptionState::GetterContext, "response", "XMLHttpRequest", info.Holder(), info.GetIsolate());
             Document* document = xmlHttpRequest->responseXML(exceptionState);
             if (exceptionState.throwIfNeeded())
                 return;