Remove support for 'system' SSL on Mac (SecureTransport) and Win (SChannel)

net/base/cert_verify_proc_win.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/base/cert_verify_proc_win.h"
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 52 matching lines @@
 
 typedef scoped_ptr_malloc<const CERT_CHAIN_CONTEXT,
                           FreeCertChainContextFunctor>
     ScopedPCCERT_CHAIN_CONTEXT;
 
 typedef scoped_ptr_malloc<const CERT_CONTEXT,
                           FreeCertContextFunctor> ScopedPCCERT_CONTEXT;
 
 //-----------------------------------------------------------------------------
 
-// TODO(wtc): This is a copy of the MapSecurityError function in
-// ssl_client_socket_win.cc.  Another function that maps Windows error codes
-// to our network error codes is WinInetUtil::OSErrorToNetError.  We should
-// eliminate the code duplication.
 int MapSecurityError(SECURITY_STATUS err) {
   // There are numerous security error codes, but these are the ones we thus
   // far find interesting.
   switch (err) {
     case SEC_E_WRONG_PRINCIPAL:  // Schannel
     case CERT_E_CN_NO_MATCH:  // CryptoAPI
       return ERR_CERT_COMMON_NAME_INVALID;
     case SEC_E_UNTRUSTED_ROOT:  // Schannel
     case CERT_E_UNTRUSTEDROOT:  // CryptoAPI
       return ERR_CERT_AUTHORITY_INVALID;
@@ skipping 657 matching lines @@
     return MapCertStatusToNetError(verify_result->cert_status);
 
   if (ev_policy_oid &&
       CheckEV(chain_context, rev_checking_enabled, ev_policy_oid)) {
     verify_result->cert_status |= CERT_STATUS_IS_EV;
   }
   return OK;
 }
 
 }  // namespace net