More base::Values-related bare pointer -> scoped_ptr conversions

cc/debug/invalidation_benchmark.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 "cc/debug/invalidation_benchmark.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 98 matching lines @@
 bool InvalidationBenchmark::ProcessMessage(scoped_ptr<base::Value> value) {
   base::DictionaryValue* message = nullptr;
   value->GetAsDictionary(&message);
   if (!message)
     return false;
 
   bool notify_done;
   if (message->HasKey("notify_done")) {
     message->GetBoolean("notify_done", &notify_done);
     if (notify_done)
-      NotifyDone(scoped_ptr<base::Value>(base::Value::CreateNullValue()));
+      NotifyDone(base::Value::CreateNullValue());
     return true;
   }
   return false;
 }
 
 // A simple linear congruential generator. The random numbers don't need to be
 // high quality, but they need to be identical in each run. Therefore, we use a
 // LCG and keep the state locally in the benchmark.
 float InvalidationBenchmark::LCGRandom() {
   const uint32 a = 1664525;
   const uint32 c = 1013904223;
   seed_ = a * seed_ + c;
   return static_cast<float>(seed_) / std::numeric_limits<uint32>::max();
 }
 
 }  // namespace cc