Reorganize net/disk_cache into backend specific directories.

net/tools/dump_cache/cache_dumper.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_TOOLS_DUMP_CACHE_CACHE_DUMPER_H_
 #define NET_TOOLS_DUMP_CACHE_CACHE_DUMPER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
-#include "net/disk_cache/backend_impl.h"
+#include "net/disk_cache/blockfile/backend_impl.h"
 
 #ifdef WIN32
 // Dumping the cache often creates very large filenames, which are tricky
 // on windows.  Most API calls don't support large filenames, including
 // most of the base library functions.  Unfortunately, adding "\\?\" into
 // the filename support is tricky.  Instead, if WIN32_LARGE_FILENAME_SUPPORT
 // is set, we use direct WIN32 APIs for manipulating the files.
 #define WIN32_LARGE_FILENAME_SUPPORT
 #endif
 
@@ skipping 58 matching lines @@
   base::FilePath entry_path_;
   std::string entry_url_;
 #ifdef WIN32_LARGE_FILENAME_SUPPORT
   HANDLE entry_;
 #else
   FILE* entry_;
 #endif
 };
 
 #endif  // NET_TOOLS_DUMP_CACHE_CACHE_DUMPER_H_