Revert 247926 "HID backend"

trunk/src/device/hid/hid_service.h

Index: trunk/src/device/hid/hid_service.h
===================================================================
--- trunk/src/device/hid/hid_service.h	(revision 247933)
+++ trunk/src/device/hid/hid_service.h	(working copy)
@@ -1,79 +0,0 @@
-// 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 DEVICE_HID_HID_SERVICE_H_
-#define DEVICE_HID_HID_SERVICE_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/string16.h"
-#include "base/threading/thread_checker.h"
-#include "build/build_config.h"
-#include "device/hid/hid_device_info.h"
-
-namespace device {
-
-namespace {
-
-class HidServiceContainer;
-
-}  // namespace
-
-class HidConnection;
-class HidService;
-
-class HidService : public base::MessageLoop::DestructionObserver {
- public:
-  // Must be called on FILE thread.
-  static HidService* GetInstance();
-
-  // Enumerates and returns a list of device identifiers.
-  virtual void GetDevices(std::vector<HidDeviceInfo>* devices);
-
-  // Fills in the device info struct of the given device_id.
-  // Returns true if succeed.
-  // Returns false if the device_id is invalid, with info untouched.
-  bool GetInfo(std::string device_id, HidDeviceInfo* info) const;
-
-  virtual scoped_refptr<HidConnection> Connect(
-      std::string platform_device_id) = 0;
-
-  // Implements base::MessageLoop::DestructionObserver
-  virtual void WillDestroyCurrentMessageLoop() OVERRIDE;
-
-  // Gets whether the HidService have been successfully initialized.
-  bool initialized() const { return initialized_; }
-
- protected:
-  friend class HidServiceContainer;
-  friend struct base::DefaultDeleter<HidService>;
-  friend class HidConnectionTest;
-
-  HidService();
-  virtual ~HidService();
-
-  static HidService* CreateInstance();
-
-  virtual void AddDevice(HidDeviceInfo info);
-  virtual void RemoveDevice(std::string platform_device_id);
-
-  typedef std::map<std::string, HidDeviceInfo> DeviceMap;
-  DeviceMap devices_;
-
-  bool initialized_;
-
-  base::ThreadChecker thread_checker_;
-
-  DISALLOW_COPY_AND_ASSIGN(HidService);
-};
-
-}  // namespace device
-
-#endif  // DEVICE_HID_HID_SERVICE_H_