Cleanup: Remove unneeded scoped_ptr.h includes from net.

net/disk_cache/stats.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 #ifndef NET_DISK_CACHE_STATS_H_
 #define NET_DISK_CACHE_STATS_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
 #include "net/disk_cache/stats_histogram.h"
 
 namespace disk_cache {
 
 class BackendImpl;
 
 typedef std::vector<std::pair<std::string, std::string> > StatsItems;
 
 // This class stores cache-specific usage information, for tunning purposes.
 class Stats {
@@ skipping 63 matching lines @@
   int data_sizes_[kDataSizesLength];
   int64 counters_[MAX_COUNTER];
   StatsHistogram* size_histogram_;
 
   DISALLOW_COPY_AND_ASSIGN(Stats);
 };
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_STATS_H_