Use std::default_delete as the default deleter for scoped_ptr.

components/nacl/renderer/histogram.cc

 // Copyright 2014 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 "components/nacl/renderer/histogram.h"
 
+#include <algorithm>
+
 #include "base/metrics/histogram.h"
 
 namespace nacl {
 
 void HistogramCustomCounts(const std::string& name,
                            int32_t sample,
                            int32_t min,
                            int32_t max,
                            uint32_t bucket_count) {
   base::HistogramBase* counter =
@@ skipping 188 matching lines @@
   static const int32_t kRatioMax = 10 * 100;  // max of 10x difference.
   static const uint32_t kRatioBuckets = 100;
   if (numerator < 0 || denominator <= 0)
     return;
   HistogramCustomCounts(name,
                         static_cast<int32_t>(100 * numerator / denominator),
                         kRatioMin, kRatioMax, kRatioBuckets);
 }
 
 }  // namespace nacl