It's going to be removed from Chromium, see https://crbug.com/812523.

/cc @electron/code-owners 
shell/browser/api/electron_api_app.cc
v8::Local<v8::Value> val,
                     JumpListCategory::Type* out) {
    std::string category_type;
    if (!ConvertFromV8(isolate, val, &category_type))
      return false;
    if (category_type == "tasks")
      *out = JumpListCategory::Type::TASKS;
    else if (category_type == "frequent")
      *out = JumpListCategory::Type::FREQUENT;
    else if (category_type == "recent")
      *out = JumpListCategory::Type::RECENT;
    else if (category_type == "custom")
      *out = JumpListCategory::Type::CUSTOM;
    else
      return false;
    return true;
  }
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,