[Refactor] to rename and re-layer the file_util stack layers.

webkit/fileapi/overlay_file_util.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 "webkit/fileapi/overlay_file_util.h"
+
+#include <vector>
+
+#include "webkit/fileapi/file_system_operation_context.h"
+
+namespace fileapi {
+
+OverlayFileUtil::OverlayFileUtil(FileApiFileUtil* underlying_file_util)
+    : underlying_file_util_(underlying_file_util) {
+}
+
+OverlayFileUtil::~OverlayFileUtil() {
+}
+
+PlatformFileError OverlayFileUtil::CreateOrOpen(
+    FileSystemOperationContext* context,
+    const FilePath& file_path, int file_flags,
+    PlatformFile* file_handle, bool* created) {
+  return underlying_file_util_->CreateOrOpen(
+      context, file_path, file_flags, file_handle, created);
+}
+
+PlatformFileError OverlayFileUtil::Close(
+    FileSystemOperationContext* context,
+    PlatformFile file_handle) {
+  return underlying_file_util_->Close(context, file_handle);
+}
+
+PlatformFileError OverlayFileUtil::EnsureFileExists(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    bool* created) {
+  return underlying_file_util_->EnsureFileExists(context, file_path, created);
+}
+
+PlatformFileError OverlayFileUtil::GetLocalFilePath(
+    FileSystemOperationContext* context,
+    const FilePath& virtual_path,
+    FilePath* local_path) {
+  return underlying_file_util_->GetLocalFilePath(
+      context, virtual_path, local_path);
+}
+
+PlatformFileError OverlayFileUtil::GetFileInfo(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    base::PlatformFileInfo* file_info,
+    FilePath* platform_file_path) {
+  return underlying_file_util_->GetFileInfo(
+      context, file_path, file_info, platform_file_path);
+}
+
+PlatformFileError OverlayFileUtil::ReadDirectory(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    std::vector<base::FileUtilProxy::Entry>* entries) {
+  return underlying_file_util_->ReadDirectory(context, file_path, entries);
+}
+
+PlatformFileError OverlayFileUtil::CreateDirectory(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    bool exclusive,
+    bool recursive) {
+  return underlying_file_util_->CreateDirectory(
+      context, file_path, exclusive, recursive);
+}
+
+PlatformFileError OverlayFileUtil::Touch(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    const base::Time& last_access_time,
+    const base::Time& last_modified_time) {
+  return underlying_file_util_->Touch(
+      context, file_path, last_access_time, last_modified_time);
+}
+
+PlatformFileError OverlayFileUtil::Truncate(
+    FileSystemOperationContext* context,
+    const FilePath& file_path,
+    int64 length) {
+  return underlying_file_util_->Truncate(context, file_path, length);
+}
+
+PlatformFileError OverlayFileUtil::CopyOrMoveFile(
+    FileSystemOperationContext* context,
+    const FilePath& src_file_path,
+    const FilePath& dest_file_path,
+    bool copy) {
+  return underlying_file_util_->CopyOrMoveFile(
+      context, src_file_path, dest_file_path, copy);
+}
+
+PlatformFileError OverlayFileUtil::CopyInForeignFile(
+      FileSystemOperationContext* context,
+      const FilePath& src_file_path,
+      const FilePath& dest_file_path) {
+  return underlying_file_util_->CopyInForeignFile(
+      context, src_file_path, dest_file_path);
+}
+
+PlatformFileError OverlayFileUtil::DeleteFile(
+    FileSystemOperationContext* context,
+    const FilePath& file_path) {
+  return underlying_file_util_->DeleteFile(context, file_path);
+}
+
+PlatformFileError OverlayFileUtil::DeleteSingleDirectory(
+    FileSystemOperationContext* context,
+    const FilePath& file_path) {
+  return underlying_file_util_->DeleteSingleDirectory(context, file_path);
+}
+
+bool OverlayFileUtil::PathExists(
+    FileSystemOperationContext* context,
+    const FilePath& file_path) {
+  return underlying_file_util_->PathExists(context, file_path);
+}
+
+bool OverlayFileUtil::DirectoryExists(
+    FileSystemOperationContext* context,
+    const FilePath& file_path) {
+  return underlying_file_util_->DirectoryExists(context, file_path);
+}
+
+bool OverlayFileUtil::IsDirectoryEmpty(
+    FileSystemOperationContext* context,
+    const FilePath& file_path) {
+  return underlying_file_util_->IsDirectoryEmpty(context, file_path);
+}
+
+FileApiFileUtil::AbstractFileEnumerator* OverlayFileUtil::CreateFileEnumerator(
+    FileSystemOperationContext* context,
+    const FilePath& root_path) {
+  return underlying_file_util_->CreateFileEnumerator(context, root_path);
+}
+
+}  // namespace fileapi