[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr in src/…

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 10 matching lines @@
 namespace {
 
 const char* kDefaultInvalidationMode = "viewport";
 
 }  // namespace
 
 InvalidationBenchmark::InvalidationBenchmark(
     scoped_ptr<base::Value> value,
     const MicroBenchmark::DoneCallback& callback)
     : MicroBenchmark(callback), seed_(0) {
-  base::DictionaryValue* settings = NULL;
+  base::DictionaryValue* settings = nullptr;
   value->GetAsDictionary(&settings);
   if (!settings)
     return;
 
   std::string mode_string = kDefaultInvalidationMode;
 
   if (settings->HasKey("mode"))
     settings->GetString("mode", &mode_string);
 
   if (mode_string == "fixed_size") {
@@ skipping 62 matching lines @@
     }
     case VIEWPORT: {
       // Invalidate entire viewport.
       layer->SetNeedsDisplayRect(layer->visible_content_rect());
       break;
     }
   }
 }
 
 bool InvalidationBenchmark::ProcessMessage(scoped_ptr<base::Value> value) {
-  base::DictionaryValue* message = NULL;
+  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()));
     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