Migrate webkit/browser/ to storage/browser/

webkit/browser/fileapi/transient_file_util.cc

-// Copyright (c) 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 "webkit/browser/fileapi/transient_file_util.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "webkit/browser/fileapi/file_system_operation_context.h"
-#include "webkit/browser/fileapi/file_system_url.h"
-#include "webkit/browser/fileapi/isolated_context.h"
-
-using storage::ScopedFile;
-
-namespace storage {
-
-namespace {
-
-void RevokeFileSystem(const std::string& filesystem_id,
-                      const base::FilePath& /*path*/) {
-  IsolatedContext::GetInstance()->RevokeFileSystem(filesystem_id);
-}
-
-}  // namespace
-
-ScopedFile TransientFileUtil::CreateSnapshotFile(
-    FileSystemOperationContext* context,
-    const FileSystemURL& url,
-    base::File::Error* error,
-    base::File::Info* file_info,
-    base::FilePath* platform_path) {
-  DCHECK(file_info);
-  *error = GetFileInfo(context, url, file_info, platform_path);
-  if (*error == base::File::FILE_OK && file_info->is_directory)
-    *error = base::File::FILE_ERROR_NOT_A_FILE;
-  if (*error != base::File::FILE_OK)
-    return ScopedFile();
-
-  // Sets-up a transient filesystem.
-  DCHECK(!platform_path->empty());
-  DCHECK(!url.filesystem_id().empty());
-
-  ScopedFile scoped_file(
-      *platform_path,
-      ScopedFile::DELETE_ON_SCOPE_OUT,
-      context->task_runner());
-  scoped_file.AddScopeOutCallback(
-      base::Bind(&RevokeFileSystem, url.filesystem_id()), NULL);
-
-  return scoped_file.Pass();
-}
-
-}  // namespace storage