Style Change: NULL->nullptr

src/utils/SkThreadUtils.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkThreadUtils_DEFINED
 #define SkThreadUtils_DEFINED
 
 #include "SkTypes.h"
 
 class SkThread : SkNoncopyable {
 public:
     typedef void (*entryPointProc)(void*);
 
-    SkThread(entryPointProc entryPoint, void* data = NULL);
+    SkThread(entryPointProc entryPoint, void* data = nullptr);
 
     /**
      * Non-virtual, do not subclass.
      */
     ~SkThread();
 
     /**
      * Starts the thread. Returns false if the thread could not be started.
      */
     bool start();
 
     /**
      * Waits for the thread to finish.
      * If the thread has not started, returns immediately.
      */
     void join();
 
     /**
      * SkThreads with an affinity for the same processor will attempt to run cache
      * locally with each other. SkThreads with an affinity for different processors
      * will attempt to run on different cores. Returns false if the request failed.
      */
     bool setProcessorAffinity(unsigned int processor);
 
 private:
     void* fData;
 };
 
 #endif