Reorganize net/disk_cache into backend specific directories.

net/disk_cache/blockfile/block_bitmaps_v3.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.
 
 // See net/disk_cache/disk_cache.h for the public interface.
 
-#ifndef NET_DISK_CACHE_V3_BLOCK_BITMAPS_H_
-#define NET_DISK_CACHE_V3_BLOCK_BITMAPS_H_
+#ifndef NET_DISK_CACHE_BLOCKFILE_BLOCK_BITMAPS_V3_H_
+#define NET_DISK_CACHE_BLOCKFILE_BLOCK_BITMAPS_V3_H_
 
 #include "base/files/file_path.h"
 #include "net/base/net_export.h"
-#include "net/disk_cache/addr.h"
-#include "net/disk_cache/block_files.h"
+#include "net/disk_cache/blockfile/addr.h"
+#include "net/disk_cache/blockfile/block_files.h"
 
 namespace disk_cache {
 
 class BackendImplV3;
 
 // This class is the interface in the v3 disk cache to the set of files holding
 // cached data that is small enough to not be efficiently stored in a dedicated
 // file (i.e. < kMaxBlockSize). It is primarily used to allocate and free
 // regions in those files used to store data.
 class NET_EXPORT_PRIVATE BlockBitmaps {
@@ skipping 31 matching lines @@
   // Retrieves stats for the given file index.
   void GetFileStats(int index, int* used_count, int* load);
 
   BlockFilesBitmaps bitmaps_;
 
   DISALLOW_COPY_AND_ASSIGN(BlockBitmaps);
 };
 
 }  // namespace disk_cache
 
-#endif  // NET_DISK_CACHE_V3_BLOCK_BITMAPS_H_
+#endif  // NET_DISK_CACHE_BLOCKFILE_BLOCK_BITMAPS_V3_H_