Make X509Certificate::GetDEREncoded a static function taking an OSCertHandle

net/base/x509_certificate_openssl.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 <openssl/asn1.h>
 #include <openssl/crypto.h>
 #include <openssl/obj_mac.h>
 #include <openssl/pem.h>
@@ skipping 509 matching lines @@
   // motivations described in http://src.chromium.org/viewvc/chrome?view=rev&revision=80778
   // become an issue on OpenSSL builds, we will need to embed a hardcoded list
   // of well known root CAs, as per the _mac and _win versions.
   verify_result->is_issued_by_known_root = true;
 
   return OK;
 }
 
 #endif  // !defined(OS_ANDROID)
 
-bool X509Certificate::GetDEREncoded(std::string* encoded) {
+// static
+bool X509Certificate::GetDEREncoded(X509Certificate::OSCertHandle cert_handle,
+                                    std::string* encoded) {
   DERCache der_cache;
-  if (!GetDERAndCacheIfNeeded(cert_handle_, &der_cache))
-      return false;
+  if (!GetDERAndCacheIfNeeded(cert_handle, &der_cache))
+    return false;
   encoded->assign(reinterpret_cast<const char*>(der_cache.data),
                   der_cache.data_length);
   return true;
 }
 
 // static
 bool X509Certificate::IsSameOSCert(X509Certificate::OSCertHandle a,
                                    X509Certificate::OSCertHandle b) {
   DCHECK(a && b);
   if (a == b)
@@ skipping 28 matching lines @@
   DERCache der_cache;
   if (!GetDERAndCacheIfNeeded(cert_handle, &der_cache))
     return false;
 
   return pickle->WriteData(
       reinterpret_cast<const char*>(der_cache.data),
       der_cache.data_length);
 }
 
 }  // namespace net