Add range and arithmetic checks to `base::VectorBuffer`.

Bug: 817982
Change-Id: If8602db9f284873f037775f3a37bcac8e120b313
Reviewed-on: https://chromium-review.googlesource.com/1166456
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Chris Palmer <palmer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583155}
1 file changed