tree b975003783a1fa2936fa9db763b627d668b53faf
parent 5fe9553936ab4d7ba2b41bce49dbf289aaeca886
author Nate Chapin <japhet@chromium.org> 1603927459 -0700
committer Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> 1603930894 -0700

navigator.clipboard shouldn't be null after detach.

This makes blink's behavior match firefox's (and I think safari's, too):
https://wpt.fyi/results/clipboard-apis/detached-iframe/clipboard-on-detached-iframe.https.html?label=master&label=experimental&aligned&q=clipboard-apis%2Fdetached-iframe%2Fclipboard-on-detached-iframe.https.html

This was introduced due to
https://bugs.chromium.org/p/chromium/issues/detail?id=1028591#c1,
but it appears to no longer required.

Change-Id: I9fcf7cc3f24d63f221e5f5813dedfe741e6e7445
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2505970
Commit-Queue: Nate Chapin <japhet@chromium.org>
Auto-Submit: Nate Chapin <japhet@chromium.org>
Reviewed-by: Darwin Huang <huangdarwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821936}