Remove MTP support on Linux.

components/storage_monitor/storage_monitor_linux.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.
 
 // StorageMonitorLinux processes mount point change events, notifies listeners
 // about the addition and deletion of media devices, and answers queries about
 // mounted devices.
 // StorageMonitorLinux lives on the UI thread, and uses a MtabWatcherLinux on
 // the FILE thread to get mount point change events.
 
@@ skipping 13 matching lines @@
 #include "base/files/file_path_watcher.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
 #include "components/storage_monitor/mtab_watcher_linux.h"
 #include "components/storage_monitor/storage_monitor.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace storage_monitor {
 
-class MediaTransferProtocolDeviceObserverLinux;
-
 class StorageMonitorLinux : public StorageMonitor,
                             public MtabWatcherLinux::Delegate {
  public:
   // Should only be called by browser start up code.
   // Use StorageMonitor::GetInstance() instead.
   // |mtab_file_path| is the path to a mtab file to watch for mount points.
   explicit StorageMonitorLinux(const base::FilePath& mtab_file_path);
   ~StorageMonitorLinux() override;
 
   // Must be called for StorageMonitorLinux to work.
   void Init() override;
 
  protected:
   // Gets device information given a |device_path| and |mount_point|.
   using GetDeviceInfoCallback = base::Callback<std::unique_ptr<StorageInfo>(
       const base::FilePath& device_path,
       const base::FilePath& mount_point)>;
 
   void SetGetDeviceInfoCallbackForTest(
       const GetDeviceInfoCallback& get_device_info_callback);
 
-  void SetMediaTransferProtocolManagerForTest(
-      device::MediaTransferProtocolManager* test_manager);
-
   // MtabWatcherLinux::Delegate implementation.
   void UpdateMtab(
       const MtabWatcherLinux::MountPointDeviceMap& new_mtab) override;
 
  private:
   // Structure to save mounted device information such as device path, unique
   // identifier, device name and partition size.
   struct MountPointInfo {
     base::FilePath mount_device;
     StorageInfo storage_info;
@@ skipping 18 matching lines @@
   // (mount device, map of known mount points)
   // For each mount device, track the places it is mounted and which one (if
   // any) we have notified system monitor about.
   typedef std::map<base::FilePath, ReferencedMountPoint> MountPriorityMap;
 
   // StorageMonitor implementation.
   bool GetStorageInfoForPath(const base::FilePath& path,
                              StorageInfo* device_info) const override;
   void EjectDevice(const std::string& device_id,
                    base::Callback<void(EjectStatus)> callback) override;
-  device::MediaTransferProtocolManager* media_transfer_protocol_manager()
-      override;
 
   // Called when the MtabWatcher has been created.
   void OnMtabWatcherCreated(MtabWatcherLinux* watcher);
 
   bool IsDeviceAlreadyMounted(const base::FilePath& mount_device) const;
 
   // Assuming |mount_device| is already mounted, and it gets mounted again at
   // |mount_point|, update the mappings.
   void HandleDeviceMountedMultipleTimes(const base::FilePath& mount_device,
                                         const base::FilePath& mount_point);
@@ skipping 13 matching lines @@
   // Keep in mind on Linux, a device can be mounted at multiple mount points,
   // and multiple devices can be mounted at a mount point.
   MountMap mount_info_map_;
 
   // Because a device can be mounted to multiple places, we only want to
   // notify about one of them. If (and only if) that one is unmounted, we need
   // to notify about it's departure and notify about another one of it's mount
   // points.
   MountPriorityMap mount_priority_map_;
 
-  std::unique_ptr<device::MediaTransferProtocolManager>
-      media_transfer_protocol_manager_;
-  std::unique_ptr<MediaTransferProtocolDeviceObserverLinux>
-      media_transfer_protocol_device_observer_;
-
   std::unique_ptr<MtabWatcherLinux, MtabWatcherLinuxDeleter> mtab_watcher_;
 
   base::WeakPtrFactory<StorageMonitorLinux> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(StorageMonitorLinux);
 };
 
 }  // namespace storage_monitor
 
 #endif  // COMPONENTS_STORAGE_MONITOR_STORAGE_MONITOR_LINUX_H_