*WIP* Mac Unittest for client cert selection with intermediate certs

net/cert/test_keychain_search_list_mac.cc

 // Copyright 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.
 
 #include "net/cert/test_keychain_search_list_mac.h"
 
 #include "base/memory/ptr_util.h"
 
 namespace net {
 
@@ skipping 24 matching lines @@
 bool TestKeychainSearchList::HasInstance() {
   return !!g_test_keychain_search_list;
 }
 
 // static
 TestKeychainSearchList* TestKeychainSearchList::GetInstance() {
   return g_test_keychain_search_list;
 }
 
 OSStatus TestKeychainSearchList::CopySearchList(
-    CFArrayRef* keychain_search_list) const {
-  *keychain_search_list =
-      CFArrayCreateCopy(kCFAllocatorDefault, scoped_keychain_search_list.get());
+    base::ScopedCFTypeRef<CFArrayRef>* keychain_search_list) const {
+  keychain_search_list->reset(CFArrayCreateCopy(
+      kCFAllocatorDefault, scoped_keychain_search_list.get()));
   return *keychain_search_list ? 0 : errSecAllocate;
 }
 
 void TestKeychainSearchList::AddKeychain(SecKeychainRef keychain) {
   CFArrayAppendValue(scoped_keychain_search_list.get(), keychain);
 }
 
 }  // namespace net