Remove MTP support on Linux.

chrome/browser/media_galleries/linux/snapshot_file_details.cc

-// 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.
-
-#include "chrome/browser/media_galleries/linux/snapshot_file_details.h"
-
-#include <limits>
-
-#include "base/numerics/safe_conversions.h"
-
-////////////////////////////////////////////////////////////////////////////////
-//                             SnapshotRequestInfo                            //
-////////////////////////////////////////////////////////////////////////////////
-
-SnapshotRequestInfo::SnapshotRequestInfo(
-    uint32_t file_id,
-    const base::FilePath& snapshot_file_path,
-    const MTPDeviceAsyncDelegate::CreateSnapshotFileSuccessCallback&
-        success_callback,
-    const MTPDeviceAsyncDelegate::ErrorCallback& error_callback)
-    : file_id(file_id),
-      snapshot_file_path(snapshot_file_path),
-      success_callback(success_callback),
-      error_callback(error_callback) {}
-
-SnapshotRequestInfo::SnapshotRequestInfo(const SnapshotRequestInfo& other) =
-    default;
-
-SnapshotRequestInfo::~SnapshotRequestInfo() {
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//                             SnapshotFileDetails                            //
-////////////////////////////////////////////////////////////////////////////////
-
-SnapshotFileDetails::SnapshotFileDetails(
-    const SnapshotRequestInfo& request_info,
-    const base::File::Info& file_info)
-    : request_info_(request_info),
-      file_info_(file_info),
-      bytes_written_(0),
-      error_occurred_(false) {
-}
-
-SnapshotFileDetails::~SnapshotFileDetails() {
-}
-
-void SnapshotFileDetails::set_error_occurred(bool error) {
-  error_occurred_ = error;
-}
-
-bool SnapshotFileDetails::AddBytesWritten(uint32_t bytes_written) {
-  if ((bytes_written == 0) ||
-      (bytes_written_ > std::numeric_limits<uint32_t>::max() - bytes_written) ||
-      (bytes_written_ + bytes_written > file_info_.size))
-    return false;
-
-  bytes_written_ += bytes_written;
-  return true;
-}
-
-bool SnapshotFileDetails::IsSnapshotFileWriteComplete() const {
-  return !error_occurred_ && (bytes_written_ == file_info_.size);
-}
-
-uint32_t SnapshotFileDetails::BytesToRead() const {
-  // Read data in 1MB chunks.
-  static const uint32_t kReadChunkSize = 1024 * 1024;
-  return std::min(
-      kReadChunkSize,
-      base::checked_cast<uint32_t>(file_info_.size) - bytes_written_);
-}