Change nonstd::unique_ptr to take a custom deleter.

fpdfsdk/src/javascript/JS_Object.cpp

Index: fpdfsdk/src/javascript/JS_Object.cpp
diff --git a/fpdfsdk/src/javascript/JS_Object.cpp b/fpdfsdk/src/javascript/JS_Object.cpp
index 6891e6fc606d55818f04c97a09a1cf25eb6b2d65..32637c52c735a089fcc945a84200b27780725733 100644
--- a/fpdfsdk/src/javascript/JS_Object.cpp
+++ b/fpdfsdk/src/javascript/JS_Object.cpp
@@ -83,15 +83,14 @@ void DisposeObject(const v8::WeakCallbackInfo<CJS_Object>& data) {
   data.SetSecondPassCallback(FreeObject);
 }
 
-CJS_Object::CJS_Object(v8::Local<v8::Object> pObject) : m_pEmbedObj(NULL) {
+CJS_Object::CJS_Object(v8::Local<v8::Object> pObject) {
   v8::Local<v8::Context> context = pObject->CreationContext();
   m_pIsolate = context->GetIsolate();
   m_pObject.Reset(m_pIsolate, pObject);
-};
+}
 
 CJS_Object::~CJS_Object() {
-  m_pObject.Reset();
-};
+}
 
 void CJS_Object::MakeWeak() {
   m_pObject.SetWeak(this, DisposeObject, v8::WeakCallbackType::kInternalFields);