[Merge to M50] [Chrome OS Bootstrapping]: Do not always power off the Bluetooth adapter.

device/hid/fake_input_service_linux.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 DEVICE_HID_FAKE_INPUT_SERVICE_LINUX_H_
 #define DEVICE_HID_FAKE_INPUT_SERVICE_LINUX_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "device/hid/input_service_linux.h"
 
 namespace device {
 
 class FakeInputServiceLinux : public InputServiceLinux {
-
  public:
   FakeInputServiceLinux();
   ~FakeInputServiceLinux() override;
 
   void AddDeviceForTesting(const InputDeviceInfo& info);
   void RemoveDeviceForTesting(const std::string& id);
   void ClearDeviceList();
 
+ private:
+  // InputServiceLinux override:
+  void GetDevices(std::vector<InputDeviceInfo>* devices) override;
+
   DISALLOW_COPY_AND_ASSIGN(FakeInputServiceLinux);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_HID_FAKE_INPUT_SERVICE_LINUX_H_