Reorganize net/disk_cache into backend specific directories.

net/disk_cache/blockfile/trace.h

 // Copyright (c) 2011 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.
 
 // This file provides support for basic in-memory tracing of short events. We
 // keep a static circular buffer where we store the last traced events, so we
 // can review the cache recent behavior should we need it.
 
-#ifndef NET_DISK_CACHE_TRACE_H__
-#define NET_DISK_CACHE_TRACE_H__
+#ifndef NET_DISK_CACHE_BLOCKFILE_TRACE_H_
+#define NET_DISK_CACHE_BLOCKFILE_TRACE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "net/base/net_export.h"
 
 namespace disk_cache {
 
 // Create and destroy the tracing buffer.
 void InitTrace(void);
 void DestroyTrace(void);
@@ skipping 10 matching lines @@
   TraceObject();
   ~TraceObject();
   DISALLOW_COPY_AND_ASSIGN(TraceObject);
 };
 
 // Traces to the internal buffer.
 NET_EXPORT_PRIVATE void Trace(const char* format, ...);
 
 }  // namespace disk_cache
 
-#endif  // NET_DISK_CACHE_TRACE_H__
+#endif  // NET_DISK_CACHE_BLOCKFILE_TRACE_H_