Remove MTP support on Linux.

chrome/browser/media_galleries/linux/mtp_device_task_helper.h

Index: chrome/browser/media_galleries/linux/mtp_device_task_helper.h
diff --git a/chrome/browser/media_galleries/linux/mtp_device_task_helper.h b/chrome/browser/media_galleries/linux/mtp_device_task_helper.h
deleted file mode 100644
index 9a55c17fff211c2df085ffce7ed32badef38cee3..0000000000000000000000000000000000000000
--- a/chrome/browser/media_galleries/linux/mtp_device_task_helper.h
+++ /dev/null
@@ -1,250 +0,0 @@
-// Copyright 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_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_H_
-#define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/media_galleries/fileapi/mtp_device_async_delegate.h"
-#include "device/media_transfer_protocol/mtp_file_entry.pb.h"
-#include "storage/browser/fileapi/async_file_util.h"
-
-class MTPReadFileWorker;
-struct SnapshotRequestInfo;
-
-// MTPDeviceTaskHelper dispatches the media transfer protocol (MTP) device
-// operation requests (such as GetFileInfo, ReadDirectory, CreateSnapshotFile,
-// OpenStorage and CloseStorage) to the MediaTransferProtocolManager.
-// MTPDeviceTaskHelper lives on the UI thread. MTPDeviceTaskHelperMapService
-// owns the MTPDeviceTaskHelper objects. MTPDeviceTaskHelper is instantiated per
-// MTP device storage.
-class MTPDeviceTaskHelper {
- public:
-  struct MTPEntry {
-    MTPEntry();
-
-    uint32_t file_id;
-    std::string name;
-    base::File::Info file_info;
-  };
-
-  typedef std::vector<MTPEntry> MTPEntries;
-
-  typedef base::Callback<void(bool succeeded)> OpenStorageCallback;
-
-  typedef MTPDeviceAsyncDelegate::GetFileInfoSuccessCallback
-      GetFileInfoSuccessCallback;
-
-  typedef base::Closure CreateDirectorySuccessCallback;
-
-  typedef base::Callback<void(const MTPEntries& entries, bool has_more)>
-      ReadDirectorySuccessCallback;
-
-  typedef base::Closure RenameObjectSuccessCallback;
-
-  typedef base::Closure CopyFileFromLocalSuccessCallback;
-
-  typedef base::Closure DeleteObjectSuccessCallback;
-
-  typedef MTPDeviceAsyncDelegate::ErrorCallback ErrorCallback;
-
-  MTPDeviceTaskHelper();
-  ~MTPDeviceTaskHelper();
-
-  // Dispatches the request to the MediaTransferProtocolManager to open the MTP
-  // storage for communication.
-  //
-  // |storage_name| specifies the name of the storage device.
-  // |callback| is called when the OpenStorage request completes. |callback|
-  // runs on the IO thread.
-  void OpenStorage(const std::string& storage_name,
-                   const bool read_only,
-                   const OpenStorageCallback& callback);
-
-  // Dispatches the GetFileInfo request to the MediaTransferProtocolManager.
-  //
-  // |file_id| specifies the id of the file whose details are requested.
-  //
-  // If the file details are fetched successfully, |success_callback| is invoked
-  // on the IO thread to notify the caller about the file details.
-  //
-  // If there is an error, |error_callback| is invoked on the IO thread to
-  // notify the caller about the file error.
-  void GetFileInfo(uint32_t file_id,
-                   const GetFileInfoSuccessCallback& success_callback,
-                   const ErrorCallback& error_callback);
-
-  // Forwards CreateDirectory request to the MediaTransferProtocolManager.
-  void CreateDirectory(const uint32_t parent_id,
-                       const std::string& directory_name,
-                       const CreateDirectorySuccessCallback& success_callback,
-                       const ErrorCallback& error_callback);
-
-  // Dispatches the read directory request to the MediaTransferProtocolManager.
-  //
-  // |dir_id| specifies the directory id.
-  //
-  // If the directory file entries are enumerated successfully,
-  // |success_callback| is invoked on the IO thread to notify the caller about
-  // the directory file entries. Please see the note in the
-  // ReadDirectorySuccessCallback typedef regarding the special treatment of
-  // file names.
-  //
-  // If there is an error, |error_callback| is invoked on the IO thread to
-  // notify the caller about the file error.
-  void ReadDirectory(const uint32_t directory_id,
-                     const size_t max_size,
-                     const ReadDirectorySuccessCallback& success_callback,
-                     const ErrorCallback& error_callback);
-
-  // Forwards the WriteDataIntoSnapshotFile request to the MTPReadFileWorker
-  // object.
-  //
-  // |request_info| specifies the snapshot file request params.
-  // |snapshot_file_info| specifies the metadata of the snapshot file.
-  void WriteDataIntoSnapshotFile(
-      const SnapshotRequestInfo& request_info,
-      const base::File::Info& snapshot_file_info);
-
-  // Dispatches the read bytes request to the MediaTransferProtocolManager.
-  //
-  // |request| contains details about the byte request including the file path,
-  // byte range, and the callbacks. The callbacks specified within |request| are
-  // called on the IO thread to notify the caller about success or failure.
-  void ReadBytes(const MTPDeviceAsyncDelegate::ReadBytesRequest& request);
-
-  // Forwards RenameObject request to the MediaTransferProtocolManager.
-  void RenameObject(const uint32_t object_id,
-                    const std::string& new_name,
-                    const RenameObjectSuccessCallback& success_callback,
-                    const ErrorCallback& error_callback);
-
-  // Forwards CopyFileFromLocal request to the MediaTransferProtocolManager.
-  void CopyFileFromLocal(
-      const std::string& storage_name,
-      const int source_file_descriptor,
-      const uint32_t parent_id,
-      const std::string& file_name,
-      const CopyFileFromLocalSuccessCallback& success_callback,
-      const ErrorCallback& error_callback);
-
-  // Forwards DeleteObject request to the MediaTransferProtocolManager.
-  void DeleteObject(const uint32_t object_id,
-                    const DeleteObjectSuccessCallback& success_callback,
-                    const ErrorCallback& error_callback);
-
-  // Dispatches the CloseStorage request to the MediaTransferProtocolManager.
-  void CloseStorage() const;
-
- private:
-  // Query callback for OpenStorage() to run |callback| on the IO thread.
-  //
-  // If OpenStorage request succeeds, |error| is set to false and
-  // |device_handle| contains the handle to communicate with the MTP device.
-  //
-  // If OpenStorage request fails, |error| is set to true and |device_handle| is
-  // set to an empty string.
-  void OnDidOpenStorage(const OpenStorageCallback& callback,
-                        const std::string& device_handle,
-                        bool error);
-
-  // Query callback for GetFileInfo().
-  //
-  // If there is no error, |file_entry| will contain the
-  // requested media device file details and |error| is set to false.
-  // |success_callback| is invoked on the IO thread to notify the caller.
-  //
-  // If there is an error, |file_entry| is invalid and |error| is
-  // set to true. |error_callback| is invoked on the IO thread to notify the
-  // caller.
-  void OnGetFileInfo(const GetFileInfoSuccessCallback& success_callback,
-                     const ErrorCallback& error_callback,
-                     const MtpFileEntry& file_entry,
-                     bool error) const;
-
-  // Called when CreateDirectory completes.
-  void OnCreateDirectory(const CreateDirectorySuccessCallback& success_callback,
-                         const ErrorCallback& error_callback,
-                         const bool error) const;
-
-  // Query callback for ReadDirectory().
-  //
-  // If there is no error, |error| is set to false, |file_entries| has the
-  // directory file entries and |success_callback| is invoked on the IO thread
-  // to notify the caller.
-  //
-  // If there is an error, |error| is set to true, |file_entries| is empty
-  // and |error_callback| is invoked on the IO thread to notify the caller.
-  void OnDidReadDirectory(const ReadDirectorySuccessCallback& success_callback,
-                          const ErrorCallback& error_callback,
-                          const std::vector<MtpFileEntry>& file_entries,
-                          bool has_more,
-                          bool error) const;
-
-  // Intermediate step to finish a ReadBytes request.
-  void OnGetFileInfoToReadBytes(
-      const MTPDeviceAsyncDelegate::ReadBytesRequest& request,
-      const MtpFileEntry& file_entry,
-      bool error);
-
-  // Query callback for ReadBytes();
-  //
-  // If there is no error, |error| is set to false, the buffer within |request|
-  // is written to, and the success callback within |request| is invoked on the
-  // IO thread to notify the caller.
-  //
-  // If there is an error, |error| is set to true, the buffer within |request|
-  // is untouched, and the error callback within |request| is invoked on the
-  // IO thread to notify the caller.
-  void OnDidReadBytes(
-      const MTPDeviceAsyncDelegate::ReadBytesRequest& request,
-      const base::File::Info& file_info,
-      const std::string& data,
-      bool error) const;
-
-  // Called when RenameObject completes.
-  void OnRenameObject(const RenameObjectSuccessCallback& success_callback,
-                      const ErrorCallback& error_callback,
-                      const bool error) const;
-
-  // Called when CopyFileFromLocal completes.
-  void OnCopyFileFromLocal(
-      const CopyFileFromLocalSuccessCallback& success_callback,
-      const ErrorCallback& error_callback,
-      const bool error) const;
-
-  // Called when DeleteObject completes.
-  void OnDeleteObject(const DeleteObjectSuccessCallback& success_callback,
-                      const ErrorCallback& error_callback,
-                      const bool error) const;
-
-  // Called when the device is uninitialized.
-  //
-  // Runs |error_callback| on the IO thread to notify the caller about the
-  // device |error|.
-  void HandleDeviceError(const ErrorCallback& error_callback,
-                         base::File::Error error) const;
-
-  // Handle to communicate with the MTP device.
-  std::string device_handle_;
-
-  // Used to handle WriteDataInfoSnapshotFile request.
-  std::unique_ptr<MTPReadFileWorker> read_file_worker_;
-
-  // For callbacks that may run after destruction.
-  base::WeakPtrFactory<MTPDeviceTaskHelper> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(MTPDeviceTaskHelper);
-};
-
-#endif  // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_TASK_HELPER_H_