Switch SignatureVerifier to taking an algorithm enum.

components/crx_file/constants.h

Index: components/crx_file/constants.h
diff --git a/components/crx_file/constants.h b/components/crx_file/constants.h
deleted file mode 100644
index 1cc6ede706a13d4de648fe9d6e27a7054794c407..0000000000000000000000000000000000000000
--- a/components/crx_file/constants.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2014 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.
-
-#ifndef COMPONENTS_CRX_FILE_CONSTANTS_H_
-#define COMPONENTS_CRX_FILE_CONSTANTS_H_
-
-#include <stdint.h>
-
-namespace crx_file {
-
-// Note: this structure is an ASN.1 which encodes the algorithm used
-// with its parameters. This is defined in PKCS #1 v2.1 (RFC 3447).
-// It is encoding: { OID sha1WithRSAEncryption      PARAMETERS NULL }
-const uint8_t kSignatureAlgorithm[15] = {0x30, 0x0d, 0x06, 0x09, 0x2a,
-                                         0x86, 0x48, 0x86, 0xf7, 0x0d,
-                                         0x01, 0x01, 0x05, 0x05, 0x00};
-
-}  // namespace crx_file
-
-#endif  // COMPONENTS_CRX_FILE_CONSTANTS_H_