cros: Replace BrowserThread::FILE in InputServiceProxy

components/pairing/bluetooth_host_pairing_controller.h

 // Copyright 2014 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 COMPONENTS_PAIRING_BLUETOOTH_HOST_PAIRING_CONTROLLER_H_
 #define COMPONENTS_PAIRING_BLUETOOTH_HOST_PAIRING_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/thread_checker.h"
 #include "components/pairing/host_pairing_controller.h"
 #include "components/pairing/proto_decoder.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_socket.h"
 #include "device/hid/input_service_linux.h"
 
 namespace base {
-class SingleThreadTaskRunner;
+class TaskRunner;
 }
 
 namespace device {
 class BluetoothAdapter;
 }
 
 namespace net {
 class IOBuffer;
 }
 
@@ skipping 19 matching lines @@
 
    protected:
     TestDelegate() {}
     virtual ~TestDelegate() {}
 
    private:
     DISALLOW_COPY_AND_ASSIGN(TestDelegate);
   };
 
   explicit BluetoothHostPairingController(
-      const scoped_refptr<base::SingleThreadTaskRunner>& file_task_runner);
+      const scoped_refptr<base::TaskRunner>& input_service_task_runner);

[fdoray, 2017/06/20 12:42:39]

Pass by value instead of by const reference and std::move to the member
https://crbug.com/589043

[xiyuan, 2017/06/20 15:26:55]

Done.

   ~BluetoothHostPairingController() override;
 
   // These functions should be only used in tests.
   void SetDelegateForTesting(TestDelegate* delegate);
   scoped_refptr<device::BluetoothAdapter> GetAdapterForTesting();
 
  private:
   friend class chromeos::BluetoothHostPairingNoInputTest;
 
   void ChangeStage(Stage new_stage);
@@ skipping 55 matching lines @@
   void RequestPasskey(device::BluetoothDevice* device) override;
   void DisplayPinCode(device::BluetoothDevice* device,
                       const std::string& pincode) override;
   void DisplayPasskey(device::BluetoothDevice* device,
                       uint32_t passkey) override;
   void KeysEntered(device::BluetoothDevice* device, uint32_t entered) override;
   void ConfirmPasskey(device::BluetoothDevice* device,
                       uint32_t passkey) override;
   void AuthorizePairing(device::BluetoothDevice* device) override;
 
-  Stage current_stage_;
+  Stage current_stage_ = STAGE_NONE;
   std::string confirmation_code_;
   std::string enrollment_domain_;
-  Connectivity connectivity_status_;
-  UpdateStatus update_status_;
-  EnrollmentStatus enrollment_status_;
+  Connectivity connectivity_status_ = CONNECTIVITY_UNTESTED;
+  UpdateStatus update_status_ = UPDATE_STATUS_UNKNOWN;
+  EnrollmentStatus enrollment_status_ = ENROLLMENT_STATUS_UNKNOWN;
   std::string permanent_id_;
   std::string controller_device_address_;
   bool was_powered_ = false;
 
   scoped_refptr<device::BluetoothAdapter> adapter_;
   scoped_refptr<device::BluetoothSocket> service_socket_;
   scoped_refptr<device::BluetoothSocket> controller_socket_;
   std::unique_ptr<ProtoDecoder> proto_decoder_;
   TestDelegate* delegate_ = nullptr;
 
-  scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
-  base::ThreadChecker thread_checker_;
+  scoped_refptr<base::TaskRunner> input_service_task_runner_;
+  THREAD_CHECKER(thread_checker_);
   base::ObserverList<Observer> observers_;
-  base::WeakPtrFactory<BluetoothHostPairingController> ptr_factory_;
+  base::WeakPtrFactory<BluetoothHostPairingController> ptr_factory_{this};
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothHostPairingController);
 };
 
 }  // namespace pairing_chromeos
 
 #endif  // COMPONENTS_PAIRING_BLUETOOTH_HOST_PAIRING_CONTROLLER_H_