Implement LoadTemporaryRoot for Windows

net/base/temporary_root_certs_win.cc

+// Copyright (c) 2010 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/temporary_root_certs.h"
+
+#include "base/logging.h"
+#include "net/base/x509_certificate.h"
+
+namespace net {
+
+bool TemporaryRootCerts::Add(X509Certificate* certificate) {
+  BOOL ok = CertAddCertificateContextToStore(
+      temporary_roots_, certificate->os_cert_handle(),
+      CERT_STORE_ADD_NEW, NULL);
+  if (!ok) {
+    if (GetLastError() == CRYPT_E_EXISTS)

[wtc, 2010/11/16 23:24:01]

Nit: you can just say
  if (!ok) {
    // If certificate is already added, return successfully.
    return GetLastError() == CRYPT_E_EXISTS;
  }

+      return true;  // Certificate is already added.
+    return false;
+  }
+
+  ++cert_count_;
+  return true;
+}
+
+void TemporaryRootCerts::Remove(X509Certificate* certificate) {
+  PCCERT_CONTEXT cert = CertFindCertificateInStore(
+      temporary_roots_, X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
+      0, CERT_FIND_EXISTING, certificate->os_cert_handle(), NULL);
+  if (cert) {
+    CertDeleteCertificateFromStore(cert);
+    DCHECK_GT(cert_count_, 0U);
+    --cert_count_;
+  }
+}
+
+TemporaryRootCerts::TemporaryRootCerts()
+    : temporary_roots_(NULL), cert_count_(0) {

[bulach, 2010/11/09 16:21:09]

nit: I think it's either all in one line (including the ctor decl) or one
initalization per line..

http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Constr...

+  temporary_roots_ = CertOpenStore(
+      CERT_STORE_PROV_MEMORY, 0, NULL,
+      CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG, NULL);
+  DCHECK(temporary_roots_);
+}
+
+TemporaryRootCerts::~TemporaryRootCerts() {
+  CertCloseStore(temporary_roots_, 0);
+}
+
+}  // namespace net