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### Preflight Checklist
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* [x] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
* [x] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
* [x] 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. -->

They is no way to choose the paper format (A4, A3, Letter, ...) when printing with `webContents.print()`.

### Proposed Solution
<!-- Describe the solution you'd like in a clear and concise manner -->

Add something like the `pageSize` option which is available in [`webContents.printToPDF()`](https://electronjs.org/docs/api/web-contents#contentsprinttopdfoptions-callback).

shell/browser/api/electron_api_web_contents.cc
#if BUILDFLAG(ENABLE_PRINTING)
      .SetMethod("_print", &Ws::Print)
      .SetMethod("_getPrinters", &Ws::GetPrinterList)
      .SetMethod("_printToPDF", &Ws::PrintToPDF)
#endif
      .SetMethod("addWorkSpace", &Ws::AddWorkSpace)
      .SetMethod("removeWorkSpace", &Ws::RemoveWorkSpace)
      .SetMethod("showDefinitionForSelection",
                 &Ws::ShowDefinitionForSelection)
      .SetMethod("copyImageAt", &Ws::CopyImageAt)
      .SetMethod("capturePage", &Ws::CapturePage)
      .SetMethod("setEmbedder", &Ws::SetEmbedder)
      .SetMethod("setDevToolsWs", &Ws::SetDevToolsWs)
      .SetMethod("getNativeView", &Ws::GetNativeView)
      .SetMethod("incrementCapturerCount", &Ws::IncrementCapturerCount)
      .SetMethod("decrementCapturerCount", &Ws::DecrementCapturerCount)
      .SetMethod("isBeingCaptured", &Ws::IsBeingCaptured)
      .SetMethod("setWebRTCIPHandlingPolicy",
                 &Ws::SetWebRTCIPHandlingPolicy)
      .SetMethod("getWebRTCIPHandlingPolicy",
                 &Ws::GetWebRTCIPHandlingPolicy)
      .SetMethod("_grantOriginAccess", &Ws::GrantOriginAccess)
      .SetMethod("takeHeapSnapshot", &Ws::TakeHeapSnapshot)
      .SetProperty("id", &Ws::ID)
      .SetProperty("session", &Ws::Session)
      .SetProperty("hostWs", &Ws::HostWs)
      .SetProperty("devToolsWs", &Ws::DevToolsWs)
      .SetProperty("debugger", &Ws::Debugger);
}
ElectronBrowserContext* Ws::GetBrowserContext() const {