chromeos: Remove legacy code for chrome://imageburner

chrome/browser/chromeos/imageburner/burn_device_handler.h

-// Copyright (c) 2013 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 CHROME_BROWSER_CHROMEOS_IMAGEBURNER_BURN_DEVICE_HANDLER_H_
-#define CHROME_BROWSER_CHROMEOS_IMAGEBURNER_BURN_DEVICE_HANDLER_H_
-
-#include <string>
-#include <vector>
-
-#include "base/callback.h"
-#include "chromeos/dbus/cros_disks_client.h"
-#include "chromeos/disks/disk_mount_manager.h"
-
-namespace chromeos {
-namespace imageburner {
-
-// This is the implementation for the communication between BurnManager
-// and DiskMountManager.
-// The main reason this is NOT merged into BurnManager is to improve
-// testability, since both BurnManager and DiskMountManager are singleton
-// in real usage.
-class BurnDeviceHandler : public disks::DiskMountManager::Observer {
- public:
-  // Triggered when a burnable device is added or removed.
-  typedef base::Callback<void(const disks::DiskMountManager::Disk& disk)>
-      DiskCallback;
-
-  // This class takes the pointer of DiskMountManager to improve testability,
-  // although it is singleton in the real usage.
-  explicit BurnDeviceHandler(disks::DiskMountManager* disk_mount_manager);
-  virtual ~BurnDeviceHandler();
-
-  // |add_callback| will be called when a new burnable device is added with
-  // the device's information.
-  // |remove_callback| will be called when a burnable device is removed.
-  // Note: This class is designed to connect to only one BurnManager,
-  // so it supports only single callback for each add and remove intentionally
-  // (rather than ObserverList).
-  void SetCallbacks(const DiskCallback& add_callback,
-                    const DiskCallback& remove_callback);
-
-  // Returns devices on which we can burn recovery image.
-  std::vector<disks::DiskMountManager::Disk> GetBurnableDevices();
-
-  // DiskMountManager::Observer overrides.
-  virtual void OnDiskEvent(
-      disks::DiskMountManager::DiskEvent event,
-      const disks::DiskMountManager::Disk* disk) override;
-  virtual void OnDeviceEvent(
-      disks::DiskMountManager::DeviceEvent event,
-      const std::string& device_path) override;
-  virtual void OnMountEvent(
-      disks::DiskMountManager::MountEvent event,
-      MountError error_code,
-      const disks::DiskMountManager::MountPointInfo& mount_info) override;
-  virtual void OnFormatEvent(
-      disks::DiskMountManager::FormatEvent event,
-      FormatError error_code,
-      const std::string& device_path) override;
-
- private:
-  disks::DiskMountManager* disk_mount_manager_;  // Not owned by this class.
-  DiskCallback add_callback_;
-  DiskCallback remove_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(BurnDeviceHandler);
-};
-
-}  // namespace imageburner
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_IMAGEBURNER_BURN_DEVICE_HANDLER_H_