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

/cc @electron/code-owners 
shell/browser/api/electron_api_app.cc
#if !defined(OS_LINUX)
    auto memory_info = process_metric.second->GetMemoryInfo();
    gin_helper::Dictionary memory_dict = gin::Dictionary::CreateEmpty(isolate);
    
    gin_helper::Dictionary(isolate, memory_dict.GetHandle())
        .SetHidden("simple", true);
    memory_dict.Set("workingSetSize",
                    static_cast<double>(memory_info.working_set_size >> 10));
    memory_dict.Set(
        "peakWorkingSetSize",
        static_cast<double>(memory_info.peak_working_set_size >> 10));
#if defined(OS_WIN)
    memory_dict.Set("privateBytes",
                    static_cast<double>(memory_info.private_bytes >> 10));
#endif
    pid_dict.Set("memory", memory_dict);
#endif
#if defined(OS_MACOSX)
    pid_dict.Set("sandboxed", process_metric.second->IsSandboxed());
#elif defined(OS_WIN)
    auto integrity_level = process_metric.second->GetIntegrityLevel();
    auto sandboxed = ProcessMetric::IsSandboxed(integrity_level);
    pid_dict.Set("integrityLevel", integrity_level);
    pid_dict.Set("sandboxed", sandboxed);
#endif
    result.push_back(pid_dict);
  }
  return result;
}
v8::Local<v8::Value> App::GetGPUFeatureStatus(v8::Isolate* isolate) {