Fix TimeLimitExceed issue for feature policy attr/value parser by adding a fixed limit for the size of the header.

Bug: 981397
Change-Id: I15c5b1864484241394cc26545e19921ed724fa1a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1724119
Reviewed-by: Ian Clelland <iclelland@chromium.org>
Commit-Queue: Charlie Hu <chenleihu@google.com>
Cr-Commit-Position: refs/heads/master@{#682908}
2 files changed