Don't try to move window back to the current active user's desktop to avoid NOTREACHED error for single user mode.
Don't try to move window back to the current active user's desktop to avoid NOTREACHED error for single user mode.

BUG=537785

Review URL: https://codereview.chromium.org/1410043002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#354600}

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