Remove the flash specific disk cache backend.

net/disk_cache/flash/log_store_entry.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.
-
-#ifndef NET_DISK_CACHE_FLASH_LOG_STORE_ENTRY_H_
-#define NET_DISK_CACHE_FLASH_LOG_STORE_ENTRY_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/gtest_prod_util.h"
-#include "net/base/net_export.h"
-#include "net/disk_cache/flash/format.h"
-
-namespace net {
-class IOBuffer;
-};
-
-namespace disk_cache {
-
-class LogStore;
-
-class NET_EXPORT_PRIVATE LogStoreEntry {
- public:
-  explicit LogStoreEntry(LogStore* store);
-  LogStoreEntry(LogStore* store, int32 id);
-  ~LogStoreEntry();
-
-  bool Init();
-  bool Close();
-
-  int32 id() const;
-  bool IsNew() const;
-  int32 GetDataSize(int index) const;
-
-  int ReadData(int index, int offset, net::IOBuffer* buf, int buf_len);
-  int WriteData(int index, int offset, net::IOBuffer* buf, int buf_len);
-  void Delete();
-
- private:
-  struct Stream {
-    Stream();
-    ~Stream();
-    int offset;
-    int size;
-    std::vector<char> write_buffer;
-  };
-
-  bool InvalidStream(int stream_index) const;
-  int32 Size() const;
-  bool Save();
-
-  LogStore* store_;
-  int32 id_;
-  Stream streams_[kFlashLogStoreEntryNumStreams];
-  bool init_;
-  bool closed_;
-  bool deleted_;
-
-  DISALLOW_COPY_AND_ASSIGN(LogStoreEntry);
-};
-
-}  // namespace disk_cache
-
-#endif  // NET_DISK_CACHE_FLASH_LOG_STORE_ENTRY_H_