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Leonard Grey authored|childWindowsDidChange| was removed from the delegate, so these methods are now noops. Change-Id: I5becdd5797c0adc14a9c2f53d0f78d5ce684ceea Reviewed-on: https://chromium-review.googlesource.com/1040946Reviewed-by: Sidney San Martín <sdy@chromium.org> Commit-Queue: Leonard Grey <lgrey@chromium.org> Cr-Commit-Position: refs/heads/master@{#555805} bef61dcf