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### Preflight Checklist
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* [ ] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
* [ ] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
* [ ] I have searched the issue tracker for a feature request that matches the one I want to file, without success.

### Problem Description
<!-- Is your feature request related to a problem? Please add a clear and concise description of what the problem is. -->
when calling webContents.getPrinters(), printer status does not determine whether the printer is online or offline.

### Proposed Solution
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### Alternatives Considered
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### Additional Information
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shell/browser/api/atom_api_web_contents.cc
managed_ontents()->ReleaseWs();
    ResetManagedWs(false);
  }
  // Destroy the native class in next tick.
  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, GetDestroyClosure());
}
void Ws::NavigationEntryCommitted(
    const content::LoadCommittedDetails& details) {
  Emit("navigation-entry-commited", details.entry->GetURL(),
       details.is_same_document, details.did_replace_entry);
}
void Ws::SetBackgroundThrottling(bool allowed) {
  background_throttling_ = allowed;
  auto* contents = ontents();
  if (!contents) {
    return;
  }
  auto* render_view_host = contents->GetRenderViewHost();
  if (!render_view_host) {
    return;
  }
  auto* render_process_host = render_view_host->GetProcess();
  if (!render_process_host) {
    return;
  }
  auto* render_widget_host_impl = content::RenderWidgetHostImpl::FromID(
      render_process_host->GetID(), render_view_host->GetRoutingID());
  if (!render_widget_host_impl) {
    return;
  }