Reorganize net/disk_cache into backend specific directories.

net/disk_cache/v3/block_bitmaps.cc

 // 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.
 
 #include "net/disk_cache/v3/block_bitmaps.h"
 
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
-#include "net/disk_cache/disk_format_base.h"
-#include "net/disk_cache/trace.h"
+#include "net/disk_cache/v2/disk_format_base.h"
+#include "net/disk_cache/v2/trace.h"
 
 using base::TimeTicks;
 
 namespace disk_cache {
 
 BlockBitmaps::BlockBitmaps() {
 }
 
 BlockBitmaps::~BlockBitmaps() {
 }
@@ skipping 148 matching lines @@
     *used_count += used;
 
     index = bitmaps_[index].NextFileId();
   } while (index);
 
   if (max_blocks)
     *load = *used_count * 100 / max_blocks;
 }
 
 }  // namespace disk_cache