Delete SecCertificate equality hacks for old macOS versions

net/cert/test_root_certs_mac.cc

 // Copyright (c) 2012 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/cert/test_root_certs.h"
 
 #include <Security/Security.h>
 
 #include "base/logging.h"
 #include "net/cert/x509_certificate.h"
 
 namespace net {
 
-namespace {
-
-typedef OSStatus (*SecTrustSetAnchorCertificatesOnlyFuncPtr)(SecTrustRef,
-                                                             Boolean);
-
-Boolean OurSecCertificateEqual(const void* value1, const void* value2) {
-  if (CFGetTypeID(value1) != SecCertificateGetTypeID() ||
-      CFGetTypeID(value2) != SecCertificateGetTypeID())
-    return CFEqual(value1, value2);
-  return X509Certificate::IsSameOSCert(
-      reinterpret_cast<SecCertificateRef>(const_cast<void*>(value1)),
-      reinterpret_cast<SecCertificateRef>(const_cast<void*>(value2)));
-}
-
-const void* RetainWrapper(CFAllocatorRef unused, const void* value) {
-  return CFRetain(value);
-}
-
-void ReleaseWrapper(CFAllocatorRef unused, const void* value) {
-  CFRelease(value);
-}
-
-// CFEqual prior to 10.6 only performed pointer checks on SecCertificateRefs,
-// rather than checking if they were the same (logical) certificate, so a
-// custom structure is used for the array callbacks.
-const CFArrayCallBacks kCertArrayCallbacks = {
-  0,  // version
-  RetainWrapper,
-  ReleaseWrapper,
-  CFCopyDescription,
-  OurSecCertificateEqual,
-};
-
-}  // namespace
-
 bool TestRootCerts::Add(X509Certificate* certificate) {
   if (CFArrayContainsValue(temporary_roots_,
                            CFRangeMake(0, CFArrayGetCount(temporary_roots_)),
                            certificate->os_cert_handle()))
     return true;
   CFArrayAppendValue(temporary_roots_, certificate->os_cert_handle());
   return true;
 }
 
 void TestRootCerts::Clear() {
@@ skipping 14 matching lines @@
   return SecTrustSetAnchorCertificatesOnly(trust_ref, !allow_system_trust_);
 }
 
 void TestRootCerts::SetAllowSystemTrust(bool allow_system_trust) {
   allow_system_trust_ = allow_system_trust;
 }
 
 TestRootCerts::~TestRootCerts() {}
 
 void TestRootCerts::Init() {
-  temporary_roots_.reset(CFArrayCreateMutable(kCFAllocatorDefault, 0,
-                                              &kCertArrayCallbacks));
+  temporary_roots_.reset(
+      CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks));
   allow_system_trust_ = true;
 }
 
 }  // namespace net