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

device/hid/fake_input_service_linux.cc

 // 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.
 
 #include "device/hid/fake_input_service_linux.h"
 
 #include <string>
 #include <vector>
 
 namespace device {
 
 FakeInputServiceLinux::FakeInputServiceLinux() {
 }
 
 FakeInputServiceLinux::~FakeInputServiceLinux() {
 }
 
 void FakeInputServiceLinux::AddDeviceForTesting(const InputDeviceInfo& info) {
   AddDevice(info);
 }
 
 void FakeInputServiceLinux::RemoveDeviceForTesting(const std::string& id) {
   RemoveDevice(id);
 }
 
 void FakeInputServiceLinux::ClearDeviceList() {
   devices_.clear();
 }
 
+void FakeInputServiceLinux::GetDevices(std::vector<InputDeviceInfo>* devices) {
+  for (const auto& device : devices_)
+    devices->push_back(device.second);
+}
+
 }  // namespace device