tree 259c4aead897943a48c99016d17cd63a04de5d12
parent 672a1721620c3f4e62fe6adfaceb929d423ae31f
author Artem Strygin <art-snake@yandex-team.ru> 1501153292 +0300
committer Chromium commit bot <commit-bot@chromium.org> 1501200234 +0000

Implement read validator.

The wrapper for IFX_SeekableReadStream.
Which allow us to check data availability on read request
and request downloading of non available data on fly.

Change-Id: I27c66cd58f43f8432f73104cc3f4c980515a9b56
Reviewed-on: https://pdfium-review.googlesource.com/9050
Commit-Queue: Art Snake <art-snake@yandex-team.ru>
Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org>