Add CefThread interface (issue #1632)

libcef/common/thread_impl.h

@@ -0,0 +1,41 @@
+// Copyright 2016 The Chromium Embedded Framework 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  CEF_LIBCEF_COMMON_THREAD_IMPL_H_
+#define  CEF_LIBCEF_COMMON_THREAD_IMPL_H_
+#pragma once
+
+#include "include/cef_thread.h"
+#include "base/threading/thread.h"
+
+class CefThreadImpl : public CefThread {
+ public:
+  CefThreadImpl();
+  ~CefThreadImpl();
+
+  bool Create(const CefString& display_name,
+              cef_thread_priority_t priority,
+              cef_message_loop_type_t message_loop_type,
+              bool stoppable,
+              cef_com_init_mode_t com_init_mode);
+
+  // CefThread methods:
+  CefRefPtr<CefTaskRunner> GetTaskRunner() override;
+  cef_platform_thread_id_t GetPlatformThreadId() override;
+  void Stop() override;
+  bool IsRunning() override;
+
+ private:
+  std::unique_ptr<base::Thread> thread_;
+  cef_platform_thread_id_t thread_id_;
+  CefRefPtr<CefTaskRunner> thread_task_runner_;
+
+  // TaskRunner for the owner thread.
+  scoped_refptr<base::SequencedTaskRunner> owner_task_runner_;
+
+  IMPLEMENT_REFCOUNTING(CefThreadImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefThreadImpl);
+};
+
+#endif  // CEF_LIBCEF_COMMON_THREAD_IMPL_H_