Refactor Pickle Read methods to use higher performance PickleIterator.

net/base/x509_certificate_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/x509_certificate.h"
 
 #define PRArenaPool PLArenaPool  // Required by <blapi.h>.
 #include <blapi.h>  // Implement CalculateChainFingerprint() with NSS.
 
 #include "base/lazy_instance.h"
@@ skipping 1043 matching lines @@
   unsigned int result_len;
   SHA1_End(sha1_ctx, sha1.data, &result_len, SHA1_LENGTH);
   SHA1_DestroyContext(sha1_ctx, PR_TRUE);
 
   return sha1;
 }
 
 // static
 X509Certificate::OSCertHandle
 X509Certificate::ReadOSCertHandleFromPickle(const Pickle& pickle,
-                                            void** pickle_iter) {
+                                            PickleIterator* pickle_iter) {
   const char* data;
   int length;
   if (!pickle.ReadData(pickle_iter, &data, &length))
     return NULL;
 
   OSCertHandle cert_handle = NULL;
   if (!CertAddSerializedElementToStore(
           NULL, reinterpret_cast<const BYTE*>(data), length,
           CERT_STORE_ADD_USE_EXISTING, 0, CERT_STORE_CERTIFICATE_CONTEXT_FLAG,
           NULL, reinterpret_cast<const void **>(&cert_handle))) {
@@ skipping 53 matching lines @@
       *type = kPublicKeyTypeECDH;
       break;
     default:
       *type = kPublicKeyTypeUnknown;
       *size_bits = 0;
       break;
   }
 }
 
 }  // namespace net