Refactor Pickle Read methods to use higher performance PickleIterator.

net/base/x509_certificate_nss.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"
 
 #include <cert.h>
 #include <cryptohi.h>
 #include <keyhi.h>
 #include <nss.h>
@@ skipping 1128 matching lines @@
   unsigned int result_len;
   HASH_End(sha1_ctx, sha1.data, &result_len, HASH_ResultLenContext(sha1_ctx));
   HASH_Destroy(sha1_ctx);
 
   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;
 
   return CreateOSCertHandleFromBytes(data, length);
 }
 
 // static
 bool X509Certificate::WriteOSCertHandleToPickle(OSCertHandle cert_handle,
@@ skipping 31 matching lines @@
       *type = kPublicKeyTypeECDSA;
       break;
     default:
       *type = kPublicKeyTypeUnknown;
       *size_bits = 0;
       break;
   }
 }
 
 }  // namespace net