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- Before this CL, when rename fails the user is not shown any
  meaningful message, this CL shows the user a meaningful message.

Screenshot - https://screenshot.googleplex.com/4hCHuSsvU3fdHL9.png

Bug: 1154787
Change-Id: I82a164b062affa5fad686b72fdd56c2ea17b48f6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2600236
Commit-Queue: Nnamdi Theodore Johnson-kanu <tjohnsonkanu@google.com>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Reviewed-by: Azeem Arshad <azeemarshad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#839063}