Perform dynamic pin checks even when the build is not timely.

BUG=391032

Review URL: https://codereview.chromium.org/452183002

Cr-Commit-Position: refs/heads/master@{#289389}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289389 0039d316-1c4b-4281-b951-d872f2087c98

net/http/transport_security_state.cc

@@ -133,14 +133,8 @@ bool TransportSecurityState::CheckPublicKeyPins(
   //
   // * the server's certificate chain chains up to a known root (i.e. not a
   //   user-installed trust anchor); and
-  // * the build is recent (very old builds should fail open so that users
-  //   have some chance to recover).
   // * the server actually has public key pins.
-  //
-  // TODO(rsleevi): http://crbug.com/391032 - Only disable static HPKP if the
-  // build is not timely.
-  if (!is_issued_by_known_root || !IsBuildTimely() ||
-      !HasPublicKeyPins(host, sni_available)) {
+  if (!is_issued_by_known_root || !HasPublicKeyPins(host, sni_available)) {
     return true;
   }