Reorganize net/disk_cache into backend specific directories.

net/disk_cache/v2/mapped_file.cc

 // Copyright 2013 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/mapped_file.h"
+#include "net/disk_cache/v2/mapped_file.h"
 
 namespace disk_cache {
 
 // Note: Most of this class is implemented in platform-specific files.
 
 bool MappedFile::Load(const FileBlock* block) {
   size_t offset = block->offset() + view_size_;
   return Read(block->buffer(), block->size(), offset);
 }
 
@@ skipping 10 matching lines @@
 }
 
 bool MappedFile::Store(const FileBlock* block,
                        FileIOCallback* callback,
                        bool* completed) {
   size_t offset = block->offset() + view_size_;
   return Write(block->buffer(), block->size(), offset, callback, completed);
 }
 
 }  // namespace disk_cache