Record when certificates signed with md[2,4,5] are encountered on OS X.

net/base/x509_certificate_win.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 "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/pickle.h"
 #include "base/sha1.h"
@@ skipping 273 matching lines @@
               NOTREACHED();
               break;
           }
         }
       }
     }
   }
   return false;
 }
 
-// Saves some information about the certificate chain chain_context in
-// *verify_result.  The caller MUST initialize *verify_result before calling
-// this function.
+// Saves some information about the certificate chain |chain_context| in
+// |*verify_result|. The caller MUST initialize |*verify_result| before
+// calling this function.
 void GetCertChainInfo(PCCERT_CHAIN_CONTEXT chain_context,
                       CertVerifyResult* verify_result) {
   if (chain_context->cChain == 0)
     return;
 
   PCERT_SIMPLE_CHAIN first_chain = chain_context->rgpChain[0];
   int num_elements = first_chain->cElement;
   PCERT_CHAIN_ELEMENT* element = first_chain->rgpElement;
 
   PCCERT_CONTEXT verified_cert = NULL;
@@ skipping 744 matching lines @@
   if (!CertSerializeCertificateStoreElement(cert_handle, 0, &buffer[0],
                                             &length)) {
     return false;
   }
 
   return pickle->WriteData(reinterpret_cast<const char*>(&buffer[0]),
                            length);
 }
 
 }  // namespace net