Add forwarder2

tools/android/forwarder2/host_controller.h

Index: tools/android/forwarder2/host_controller.h
diff --git a/tools/android/forwarder2/host_controller.h b/tools/android/forwarder2/host_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..5baf664efe54b23186a0721a9aa22da61f5b0c1f
--- /dev/null
+++ b/tools/android/forwarder2/host_controller.h
@@ -0,0 +1,50 @@
+// Copyright (c) 2012 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 TOOLS_ANDROID_FORWARDER2_HOST_CONTROLLER_H_
+#define TOOLS_ANDROID_FORWARDER2_HOST_CONTROLLER_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "tools/android/forwarder2/socket.h"
+#include "tools/android/forwarder2/thread.h"
+
+namespace forwarder {
+
+class HostProxy;
+
+class HostController : public Thread {
+ public:
+  HostController(int device_port,
+                 const string& forward_to_host,
+                 int forward_to_host_port,
+                 int adb_port,
+                 int notifier_fd);
+  virtual ~HostController();
+
+ protected:
+  // Thread:
+  virtual void Run() OVERRIDE;
+
+ private:
+  bool StartForwarder(scoped_ptr<Socket> host_server_data_socket_ptr);
+
+  Socket adb_control_socket_;
+  const int device_port_;
+  const string forward_to_host_;
+  const int forward_to_host_port_;
+  const int adb_port_;
+
+  // Used to notify the controller to exit.
+  const int notifier_fd_;
+
+  DISALLOW_COPY_AND_ASSIGN(HostController);
+};
+
+}  // namespace forwarder
+
+#endif  // TOOLS_ANDROID_FORWARDER2_HOST_CONTROLLER_H_