Reorganize net/disk_cache into backend specific directories.

net/disk_cache/memory/mem_entry_impl.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/mem_entry_impl.h"
+#include "net/disk_cache/memory/mem_entry_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
-#include "net/disk_cache/mem_backend_impl.h"
+#include "net/disk_cache/memory/mem_backend_impl.h"
 #include "net/disk_cache/net_log_parameters.h"
 
 using base::Time;
 
 namespace {
 
 const int kSparseData = 1;
 
 // Maximum size of a sparse entry is 2 to the power of this number.
 const int kMaxSparseEntryBits = 12;
@@ skipping 598 matching lines @@
     scanned_len += kMaxSparseEntrySize - current_child_offset;
   }
   return scanned_len;
 }
 
 void MemEntryImpl::DetachChild(int child_id) {
   children_->erase(child_id);
 }
 
 }  // namespace disk_cache