fix MinidumpWriterTest.DeletedBinary for component build

Change-Id: Ifda6cb045e93cc7193bb31deb581ed9c8d4229d8
Reviewed-on: https://chromium-review.googlesource.com/628058
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#496968}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 4ca97ed8f10f5f2924f49897f25910e9965ef420