Get rid of NULLs in xfa/

xfa/fxjse/class.cpp

Index: xfa/fxjse/class.cpp
diff --git a/xfa/fxjse/class.cpp b/xfa/fxjse/class.cpp
index e7e061b5a3039b69e8b7fedfd418f20de0a92164..3d65438c8adbd6a3334305741a0f5a56ebe966d3 100644
--- a/xfa/fxjse/class.cpp
+++ b/xfa/fxjse/class.cpp
@@ -117,7 +117,7 @@ static void FXJSE_V8ConstructorCallback_Wrapper(
     return;
   }
   ASSERT(info.This()->InternalFieldCount());
-  info.This()->SetAlignedPointerInInternalField(0, NULL);
+  info.This()->SetAlignedPointerInInternalField(0, nullptr);
 }
 
 v8::Isolate* CFXJSE_Arguments::GetRuntime() const {
@@ -192,7 +192,7 @@ CFXJSE_Class* CFXJSE_Class::Create(
     const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition,
     FX_BOOL bIsJSGlobal) {
   if (!lpContext || !lpClassDefinition) {
-    return NULL;
+    return nullptr;
   }
   CFXJSE_Class* pClass =
       GetClassFromContext(lpContext, lpClassDefinition->name);
@@ -222,10 +222,10 @@ CFXJSE_Class* CFXJSE_Class::Create(
                                   lpClassDefinition->properties[i].name),
           lpClassDefinition->properties[i].getProc
               ? FXJSE_V8GetterCallback_Wrapper
-              : NULL,
+              : nullptr,
           lpClassDefinition->properties[i].setProc
               ? FXJSE_V8SetterCallback_Wrapper
-              : NULL,
+              : nullptr,
           v8::External::New(pIsolate, const_cast<FXJSE_PROPERTY_DESCRIPTOR*>(
                                           lpClassDefinition->properties + i)),
           static_cast<v8::PropertyAttribute>(v8::DontDelete));