More old files deletion.

ui/base/resource/data_pack.h

-// 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.
-
-// DataPack represents a read-only view onto an on-disk file that contains
-// (key, value) pairs of data.  It's used to store static resources like
-// translation strings and images.
-
-#ifndef UI_BASE_RESOURCE_DATA_PACK_H_
-#define UI_BASE_RESOURCE_DATA_PACK_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/files/file.h"
-#include "base/files/memory_mapped_file.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_piece.h"
-#include "ui/base/layout.h"
-#include "ui/base/resource/resource_handle.h"
-#include "ui/base/ui_base_export.h"
-
-namespace base {
-class FilePath;
-class RefCountedStaticMemory;
-}
-
-namespace ui {
-
-class UI_BASE_EXPORT DataPack : public ResourceHandle {
- public:
-  DataPack(ui::ScaleFactor scale_factor);
-  ~DataPack() override;
-
-  // Load a pack file from |path|, returning false on error.
-  bool LoadFromPath(const base::FilePath& path);
-
-  // Loads a pack file from |file|, returning false on error.
-  bool LoadFromFile(base::File file);
-
-  // Loads a pack file from |region| of |file|, returning false on error.
-  bool LoadFromFileRegion(base::File file,
-                          const base::MemoryMappedFile::Region& region);
-
-  // Writes a pack file containing |resources| to |path|. If there are any
-  // text resources to be written, their encoding must already agree to the
-  // |textEncodingType| specified. If no text resources are present, please
-  // indicate BINARY.
-  static bool WritePack(const base::FilePath& path,
-                        const std::map<uint16, base::StringPiece>& resources,
-                        TextEncodingType textEncodingType);
-
-  // ResourceHandle implementation:
-  bool HasResource(uint16 resource_id) const override;
-  bool GetStringPiece(uint16 resource_id,
-                      base::StringPiece* data) const override;
-  base::RefCountedStaticMemory* GetStaticMemory(
-      uint16 resource_id) const override;
-  TextEncodingType GetTextEncodingType() const override;
-  ui::ScaleFactor GetScaleFactor() const override;
-
- private:
-  // Does the actual loading of a pack file. Called by Load and LoadFromFile.
-  bool LoadImpl();
-
-  // The memory-mapped data.
-  scoped_ptr<base::MemoryMappedFile> mmap_;
-
-  // Number of resources in the data.
-  size_t resource_count_;
-
-  // Type of encoding for text resources.
-  TextEncodingType text_encoding_type_;
-
-  // The scale of the image in this resource pack relative to images in the 1x
-  // resource pak.
-  ui::ScaleFactor scale_factor_;
-
-  DISALLOW_COPY_AND_ASSIGN(DataPack);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_RESOURCE_DATA_PACK_H_