[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr [part-4]

cc/scheduler/delay_based_time_source.cc

 // Copyright 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.
 
 #include "cc/scheduler/delay_based_time_source.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 
@@ skipping 49 matching lines @@
 // the base::TimeTicks::Now as the timebase.
 scoped_refptr<DelayBasedTimeSource> DelayBasedTimeSource::Create(
     base::TimeDelta interval,
     base::SingleThreadTaskRunner* task_runner) {
   return make_scoped_refptr(new DelayBasedTimeSource(interval, task_runner));
 }
 
 DelayBasedTimeSource::DelayBasedTimeSource(
     base::TimeDelta interval,
     base::SingleThreadTaskRunner* task_runner)
-    : client_(NULL),
+    : client_(nullptr),
       last_tick_time_(base::TimeTicks() - interval),
       current_parameters_(interval, base::TimeTicks()),
       next_parameters_(interval, base::TimeTicks()),
       active_(false),
       task_runner_(task_runner),
       weak_factory_(this) {
   DCHECK_GT(interval.ToInternalValue(), 0);
 }
 
 DelayBasedTimeSource::~DelayBasedTimeSource() {}
@@ skipping 224 matching lines @@
   state->BeginDictionary("next_parameters");
   state->SetDouble("interval_us", next_parameters_.interval.InMicroseconds());
   state->SetDouble("tick_target_us",
                    next_parameters_.tick_target.ToInternalValue());
   state->EndDictionary();
 
   state->SetBoolean("active", active_);
 }
 
 }  // namespace cc