Revert of Cast device revocation checking.

components/cast_certificate/proto/revocation.proto

Index: components/cast_certificate/proto/revocation.proto
diff --git a/components/cast_certificate/proto/revocation.proto b/components/cast_certificate/proto/revocation.proto
deleted file mode 100644
index d3f9d7f7f329177e5d193f6eecc6795676cfc681..0000000000000000000000000000000000000000
--- a/components/cast_certificate/proto/revocation.proto
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-// Data structures related to Cast device certificate revocation infrastructure.
-
-// This proto must be kept in sync with google3.
-
-syntax = "proto2";
-
-package cast_certificate;
-
-option optimize_for = LITE_RUNTIME;
-
-message CrlBundle {
-  // List of supported versions of the same revocation list.
-  repeated Crl crls = 1;
-}
-
-message Crl {
-  // Octet string of serialized TbsCrl protobuf.
-  optional bytes tbs_crl = 1;
-
-  // Binary ASN.1 DER encoding of the signer's certificate.
-  optional bytes signer_cert = 2;
-
-  // Signature calculated over the contents of the tbs_crl field. Signature
-  // algorithm is implied by TbsCrl.version.
-  optional bytes signature = 3;
-}
-
-message TbsCrl {
-  // Version 0 algorithms:
-  //  revoked_public_key_hashes: SHA-256
-  //  SerialNumberRange.issuer_public_key_hash: SHA-256
-  //  Crl.signature: RSA-PKCS1 V1.5 with SHA-256
-  optional uint64 version = 1 [default = 0];
-
-  // Inclusive validity range of the CRL in Unix time.
-  optional uint64 not_before_seconds = 2;
-  optional uint64 not_after_seconds = 3;
-
-  // SPKI hashes of revoked credentials. Hashing algorithm is implied by
-  // TbsCrl.version.
-  repeated bytes revoked_public_key_hashes = 4;
-
-  repeated SerialNumberRange revoked_serial_number_ranges = 5;
-}
-
-message SerialNumberRange {
-  // SPKI hash of the certificate issuer. Hashing algorithm is implied by the
-  // enclosing TbsCrl.version.
-  optional bytes issuer_public_key_hash = 1;
-
-  // Inclusive range of revoked certificate serial numbers. Only certificates
-  // with positive serial numbers that fit within 64 bits can be revoked through
-  // this mechanism.
-  optional uint64 first_serial_number = 2;
-  optional uint64 last_serial_number = 3;
-}