Remove a few unused functions.

net/base/x509_certificate.cc

 // Copyright (c) 2011 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.
 
 #include "net/base/x509_certificate.h"
 
 #include <stdlib.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 14 matching lines @@
 #include "net/base/cert_status_flags.h"
 #include "net/base/cert_verify_result.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "net/base/pem_tokenizer.h"
 
 namespace net {
 
 namespace {
 
-// Returns true if this cert fingerprint is the null (all zero) fingerprint.
-// We use this as a bogus fingerprint value.
-bool IsNullFingerprint(const SHA1Fingerprint& fingerprint) {
-  for (size_t i = 0; i < arraysize(fingerprint.data); ++i) {
-    if (fingerprint.data[i] != 0)
-      return false;
-  }
-  return true;
-}
-
 // Indicates the order to use when trying to decode binary data, which is
 // based on (speculation) as to what will be most common -> least common
 const X509Certificate::Format kFormatDecodePriority[] = {
   X509Certificate::FORMAT_SINGLE_CERTIFICATE,
   X509Certificate::FORMAT_PKCS7
 };
 
 // The PEM block header used for DER certificates
 const char kCertificateHeader[] = "CERTIFICATE";
 // The PEM block header used for PKCS#7 data
@@ skipping 647 matching lines @@
 bool X509Certificate::IsSHA1HashInSortedArray(const SHA1Fingerprint& hash,
                                               const uint8* array,
                                               size_t array_byte_len) {
   DCHECK_EQ(0u, array_byte_len % base::SHA1_LENGTH);
   const unsigned arraylen = array_byte_len / base::SHA1_LENGTH;
   return NULL != bsearch(hash.data, array, arraylen, base::SHA1_LENGTH,
                          CompareSHA1Hashes);
 }
 
 }  // namespace net