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Destructuring will be turned on soon in v8, and that will cause
these three tests to start "failing" (though they're actually passing
more, since we support new syntax). Will rebaseline them after the
change rolls successfully into Chromium.

BUG=560503
TBR=ojan@chromium.org

Review URL: https://codereview.chromium.org/1471653005 .

Cr-Commit-Position: refs/heads/master@{#361200}