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* Safety check password check reuses the newly introducted strings
  for password check, instead of introducing separate strings.

Bug: 1015841
Change-Id: I7ad111f1ef7b57b8e5df1073e8c84221e60f5be9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2132455Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Rainhard Findling <rainhard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756293}