zlib bench: use fstream operator bool for failure detection
watk@ suggested off-line that the best way to test for an fstream
file failure is to use its operator bool: so use that.
Also #include <time.h> is not being used: so ditch it.
Bug: 798943
Change-Id: I04fb23c0041da51face99055a2f482ba26bd23ca
Reviewed-on: https://chromium-review.googlesource.com/879861
Reviewed-by: Chris Watkins <watk@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#531222}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: df50cac817b0e344c35aa3bbb8426cc65816fba91 file changed