Process Expect-CT HTTP header
This CL processes the Expect-CT header when received on HTTP
responses. TransportSecurityState parses the header and, if valid and received
on a compliant connection, stores the Expect-CT state for the current host. (If
valid but received on a non-compliant connection, the header information is not
stored but a report is sent to alert the site owner of the misconfiguration.) A
follow-up CL will check the dynamic Expect-CT state on connection setup.
BUG=679012
Review-Url: https://codereview.chromium.org/2774763005
Cr-Commit-Position: refs/heads/master@{#467555}
4 files changed
