Plumbing SSLPrivateKey (//net)

net/ssl/ssl_platform_key_task_runner.h

+// Copyright 2015 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.
+
+#ifndef NET_SSL_SSL_PLATFORM_KEY_TASK_RUNNER_H_
+#define NET_SSL_SSL_PLATFORM_KEY_TASK_RUNNER_H_
+
+#include "base/macros.h"
+#include "base/threading/sequenced_worker_pool.h"
+
+namespace net {
+
+// Serialize all the private key operations on a single background
+// thread to avoid problems with buggy smartcards.
+class SSLPlatformKeyTaskRunner {
+ public:
+  SSLPlatformKeyTaskRunner();
+  ~SSLPlatformKeyTaskRunner();
+
+  scoped_refptr<base::SequencedTaskRunner> task_runner();
+
+ private:
+  scoped_refptr<base::SequencedWorkerPool> worker_pool_;
+  scoped_refptr<base::SequencedTaskRunner> task_runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(SSLPlatformKeyTaskRunner);
+};
+
+scoped_refptr<base::SequencedTaskRunner> GetSSLPlatformKeyTaskRunner();
+
+}  // namespace net
+
+#endif  // NET_SSL_SSL_PLATFORM_KEY_TASK_RUNNER_H_