Reorganize net/disk_cache into backend specific directories.

net/disk_cache/blockfile/eviction_v3.h

Index: net/disk_cache/blockfile/eviction_v3.h
diff --git a/net/disk_cache/v3/eviction_v3.h b/net/disk_cache/blockfile/eviction_v3.h
similarity index 87%
rename from net/disk_cache/v3/eviction_v3.h
rename to net/disk_cache/blockfile/eviction_v3.h
index cf82a220b31d356022a4cb0ab391c5fc72d8181b..01fe61361157954a7d92b8a75ee4979427cb53a9 100644
--- a/net/disk_cache/v3/eviction_v3.h
+++ b/net/disk_cache/blockfile/eviction_v3.h
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef NET_DISK_CACHE_V3_EVICTION_V3_H_
-#define NET_DISK_CACHE_V3_EVICTION_V3_H_
+#ifndef NET_DISK_CACHE_BLOCKFILE_EVICTION_V3_H_
+#define NET_DISK_CACHE_BLOCKFILE_EVICTION_V3_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
-#include "net/disk_cache/v3/disk_format_v3.h"
-#include "net/disk_cache/v3/index_table.h"
+#include "net/disk_cache/blockfile/disk_format_v3.h"
+#include "net/disk_cache/blockfile/index_table_v3.h"
 
 namespace disk_cache {
 
@@ -75,4 +75,4 @@ class EvictionV3 {
 
 }  // namespace disk_cache
 
-#endif  // NET_DISK_CACHE_V3_EVICTION_V3_H_
+#endif  // NET_DISK_CACHE_BLOCKFILE_EVICTION_V3_H_