[Bug]: SetWindowOpenHandler cannot be used for <webview />

[iwangx]

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a bug report that matches the one I want to file, without success.

Electron Version

22.0.3

What operating system are you using?

Windows

Operating System Version

Windows 10

What arch are you using?

x64

Last Known Working Electron version

22.0.3

Expected Behavior

can use setWindowOpenHandler normally

Actual Behavior

document.querySelector('webview').setWindowOpenHandler(({ url }) => {
  if (url === 'about:blank') {
    return {
      action: 'allow',
      overrideBrowserWindowOptions: {
        frame: false,
        fullscreenable: false,
        backgroundColor: 'black',
        webPreferences: {
          preload: 'my-child-window-preload-script.js'
        }
      }
    }
  }
  return { action: 'deny' }
})

setWindowOpenHandler document.querySelector('webview').setWindowOpenHandler is not a function

Testcase Gist URL

No response

Additional Information

No response

[miniak]

It was never supposed to. You need to handle this in the main process.

[miniak]

Related to #36985