GitLab

The MIME sniffing code used by the Content Directory loading system
has DCHECKs which prevent it from reading the contents of files larger
than 1MB.

Sniffing is now limited to the first 10KB of the file.


Bug: 1018436
Change-Id: I0b6293ef08ebe7cd2bab30fb57ffd481819cf85e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879684
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710943}