Reorganize net/disk_cache into backend specific directories.

net/disk_cache/memory/mem_entry_impl.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_MEM_ENTRY_IMPL_H_
-#define NET_DISK_CACHE_MEM_ENTRY_IMPL_H_
+#ifndef NET_DISK_CACHE_MEMORY_MEM_ENTRY_IMPL_H_
+#define NET_DISK_CACHE_MEMORY_MEM_ENTRY_IMPL_H_
 
 #include "base/containers/hash_tables.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_log.h"
 #include "net/disk_cache/disk_cache.h"
 
 namespace disk_cache {
 
 class MemBackendImpl;
@@ skipping 158 matching lines @@
   MemBackendImpl* backend_;   // Back pointer to the cache.
   bool doomed_;               // True if this entry was removed from the cache.
 
   net::BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(MemEntryImpl);
 };
 
 }  // namespace disk_cache
 
-#endif  // NET_DISK_CACHE_MEM_ENTRY_IMPL_H_
+#endif  // NET_DISK_CACHE_MEMORY_MEM_ENTRY_IMPL_H_