bindings: Don't wrap nullable callback functions in Nullable<T>

third_party/WebKit/Source/bindings/tests/results/core/V8TestCallbackFunctions.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestCallbackFunctions.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestCallbackFunctions.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestCallbackFunctions.cpp
index b2551e91742d1544ca4aae7c4c15bf783d77defa..586d88f82957021d39f8436a86a432d50ae7e2ab 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestCallbackFunctions.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestCallbackFunctions.cpp
@@ -249,7 +249,7 @@ static void voidMethodNullableCallbackFunctionInArgMethod(const v8::FunctionCall
     return;
   }
 
-  Nullable<VoidCallbackFunction*> voidCallbackFunctionArg;
+  VoidCallbackFunction* voidCallbackFunctionArg;
   if (!info[0]->IsFunction() && !info[0]->IsNull()) {
     V8ThrowException::throwTypeError(info.GetIsolate(), ExceptionMessages::failedToExecute("voidMethodNullableCallbackFunctionInArg", "TestCallbackFunctions", "The callback provided as parameter 1 is not a function."));