Move scoped_temp_dir from base to base/files

base/scoped_temp_dir.cc

-// Copyright (c) 2011 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 "base/scoped_temp_dir.h"
-
-#include "base/file_util.h"
-#include "base/logging.h"
-
-ScopedTempDir::ScopedTempDir() {
-}
-
-ScopedTempDir::~ScopedTempDir() {
-  if (!path_.empty() && !Delete())
-    DLOG(WARNING) << "Could not delete temp dir in dtor.";
-}
-
-bool ScopedTempDir::CreateUniqueTempDir() {
-  if (!path_.empty())
-    return false;
-
-  // This "scoped_dir" prefix is only used on Windows and serves as a template
-  // for the unique name.
-  if (!file_util::CreateNewTempDirectory(FILE_PATH_LITERAL("scoped_dir"),
-                                         &path_))
-    return false;
-
-  return true;
-}
-
-bool ScopedTempDir::CreateUniqueTempDirUnderPath(const FilePath& base_path) {
-  if (!path_.empty())
-    return false;
-
-  // If |base_path| does not exist, create it.
-  if (!file_util::CreateDirectory(base_path))
-    return false;
-
-  // Create a new, uniquely named directory under |base_path|.
-  if (!file_util::CreateTemporaryDirInDir(
-          base_path,
-          FILE_PATH_LITERAL("scoped_dir_"),
-          &path_))
-    return false;
-
-  return true;
-}
-
-bool ScopedTempDir::Set(const FilePath& path) {
-  if (!path_.empty())
-    return false;
-
-  if (!file_util::DirectoryExists(path) &&
-      !file_util::CreateDirectory(path))
-    return false;
-
-  path_ = path;
-  return true;
-}
-
-bool ScopedTempDir::Delete() {
-  if (path_.empty())
-    return false;
-
-  bool ret = file_util::Delete(path_, true);
-  if (ret) {
-    // We only clear the path if deleted the directory.
-    path_.clear();
-  }
-
-  return ret;
-}
-
-FilePath ScopedTempDir::Take() {
-  FilePath ret = path_;
-  path_ = FilePath();
-  return ret;
-}
-
-bool ScopedTempDir::IsValid() const {
-  return !path_.empty() && file_util::DirectoryExists(path_);
-}