1 files changed, 56 insertions, 0 deletions
diff --git a/ipc/chromium/src/chrome/common/child_thread.h b/ipc/chromium/src/chrome/common/child_thread.h
new file mode 100644
index 0000000000..1491d04019
--- /dev/null
+++ b/ipc/chromium/src/chrome/common/child_thread.h
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+// Copyright (c) 2009 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 CHROME_COMMON_CHILD_THREAD_H_
+#define CHROME_COMMON_CHILD_THREAD_H_
+
+#include "base/thread.h"
+#include "chrome/common/ipc_channel.h"
+#include "mojo/core/ports/port_ref.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/ipc/ScopedPort.h"
+
+class ResourceDispatcher;
+
+// Child processes's background thread should derive from this class.
+class ChildThread : public base::Thread {
+ public:
+  // Creates the thread.
+  explicit ChildThread(Thread::Options options);
+  virtual ~ChildThread();
+
+  mozilla::ipc::ScopedPort TakeInitialPort() {
+    return std::move(initial_port_);
+  }
+
+ protected:
+  friend class ChildProcess;
+
+  // Starts the thread.
+  bool Run();
+
+ protected:
+  // Returns the one child thread.
+  static ChildThread* current();
+
+  // Thread implementation.
+  virtual void Init() override;
+  virtual void CleanUp() override;
+
+ private:
+  // The message loop used to run tasks on the thread that started this thread.
+  MessageLoop* owner_loop_;
+
+  IPC::Channel::ChannelId channel_name_;
+
+  mozilla::ipc::ScopedPort initial_port_;
+
+  Thread::Options options_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(ChildThread);
+};
+
+#endif  // CHROME_COMMON_CHILD_THREAD_H_