Remove MTP support on Linux.

chrome/browser/media_galleries/linux/mtp_device_object_enumerator.cc

-// Copyright (c) 2012 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/mtp_device_object_enumerator.h"
-
-#include "base/logging.h"
-
-MTPDeviceObjectEnumerator::MTPDeviceObjectEnumerator(
-    const std::vector<MtpFileEntry>& entries)
-    : file_entries_(entries),
-      index_(0U),
-      is_index_ready_(false) {
-}
-
-MTPDeviceObjectEnumerator::~MTPDeviceObjectEnumerator() {
-}
-
-base::FilePath MTPDeviceObjectEnumerator::Next() {
-  if (IsIndexReadyAndInRange())
-    ++index_;  // Normal traversal.
-  else if (!is_index_ready_)
-    is_index_ready_ = true;  // First time calling Next().
-
-  if (!HasMoreEntries())
-    return base::FilePath();
-  return base::FilePath(file_entries_[index_].file_name());
-}
-
-int64_t MTPDeviceObjectEnumerator::Size() {
-  if (!IsIndexReadyAndInRange())
-    return 0;
-  return file_entries_[index_].file_size();
-}
-
-bool MTPDeviceObjectEnumerator::IsDirectory() {
-  if (!IsIndexReadyAndInRange())
-    return false;
-  return file_entries_[index_].file_type() == MtpFileEntry::FILE_TYPE_FOLDER;
-}
-
-base::Time MTPDeviceObjectEnumerator::LastModifiedTime() {
-  if (!IsIndexReadyAndInRange())
-    return base::Time();
-  return base::Time::FromTimeT(file_entries_[index_].modification_time());
-}
-
-bool MTPDeviceObjectEnumerator::GetEntryId(uint32_t* entry_id) const {
-  DCHECK(entry_id);
-  if (!IsIndexReadyAndInRange())
-    return false;
-
-  *entry_id = file_entries_[index_].item_id();
-  return true;
-}
-
-bool MTPDeviceObjectEnumerator::HasMoreEntries() const {
-  return index_ < file_entries_.size();
-}
-
-bool MTPDeviceObjectEnumerator::IsIndexReadyAndInRange() const {
-  return is_index_ready_ && HasMoreEntries();
-}