Document when parent-window=0

[ericlaw1979]

Indicate the conditions under which parent-window is passed as 0 because it often is.

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[chrome-devrel-review-bot]

Hello! This is an automated review by our custom reviewbot. It updates automatically when code or GitHub comments in this pull request are created or updated.

Requested changes

If there are any common problems with the content files you created or modified, they will be listed here.

site/en/docs/apps/nativeMessaging/index.md

• Please change your usage of the following words:
  • Do not use master. Affected lines: 231

[chrome-devrel-review-bot]

Hello! This is an automated review by our custom reviewbot. It updates automatically when code or GitHub comments in this pull request are created or updated.

Requested changes

If there are any common problems with the content files you created or modified, they will be listed here.

site/en/docs/apps/nativeMessaging/index.md

• Please change your usage of the following words:
  • Do not use master. Affected lines: 231

[jpmedley]

@dotproto The text looks good to me. If it's factually correct, you may merge it.

[sofiayem]

Just looking at stale PRs as part of content sheriff rotation. @dotproto Is this factually correct? If yes, just click the merge button :)