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

net/cert/test_keychain_search_list_mac.h

 // 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.
 
 #ifndef NET_CERT_KEYCHAIN_SEARCH_LIST_MAC_H_
 #define NET_CERT_KEYCHAIN_SEARCH_LIST_MAC_H_
 
 #include <CoreServices/CoreServices.h>
 #include <Security/Security.h>
 
@@ skipping 12 matching lines @@
   // if one exists already.
   static std::unique_ptr<TestKeychainSearchList> Create();
 
   // Returns true if a TestKeychainSearchList currently exists.
   static bool HasInstance();
 
   // Returns the current TestKeychainSearchList instance, if any.
   static TestKeychainSearchList* GetInstance();
 
   // Copies the test keychain search list into |keychain_search_list|.
-  OSStatus CopySearchList(CFArrayRef* keychain_search_list) const;
+  OSStatus CopySearchList(
+      base::ScopedCFTypeRef<CFArrayRef>* keychain_search_list) const;
 
   // Adds |keychain| to the end of the test keychain search list.
   void AddKeychain(SecKeychainRef keychain);
 
  private:
   TestKeychainSearchList();
 
   base::ScopedCFTypeRef<CFMutableArrayRef> scoped_keychain_search_list;
 };
 
 }  // namespace net
 
 #endif  // NET_CERT_KEYCHAIN_SEARCH_LIST_MAC_H_