Error sending ImageBitmap over ipc

[taltened]

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 an issue that matches the one I want to file, without success.

Issue Details

• Electron Version:
  • 9.3.2
• Operating System:
  • macOS 10.15.7
• Last Known Working Electron version:
  • Unknown

Expected Behavior

An ImageBitmap object can be sent over ipc, since it supports structured clone, and all objects supporting structured clone can be sent over ipc as per electron docs.

Actual Behavior

Sending an ImageBitmap over ipc results in error "An object could not be cloned".

To Reproduce

https://gist.github.com/25479aa8f0b21401d19ae4642557bfe3

Screenshots

Additional Information

[nornagon]

The main process doesn't have DOM support—it's closer to a vanilla Node.js environment, which doesn't have ImageBitmap. So unfortunately we can't support sending those DOM objects to the main process as the main process has no way to manipulate them.