MiniZip will be used by Zip Archiver, which is built with NaCL toolchain. MiniZip will be moved to src/third_party/ in the future, but it will take time, so now we just use minizip here.

Review-Url: https://codereview.chromium.org/2799213002
Cr-Original-Commit-Position: refs/heads/master@{#462779}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 3387639806215545d562fa99b93054a6754779b5