Style Change: NULL->nullptr

tests/CachedDataTest.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCachedData.h"
 #include "SkDiscardableMemoryPool.h"
 #include "Test.h"
@@ skipping 60 matching lines @@
  *  Thus, among other things, we test the end-of-life behavior when the client is the last owner
  *  and when the cache is.
  */
 DEF_TEST(CachedData, reporter) {
     SkAutoTUnref<SkDiscardableMemoryPool> pool(SkDiscardableMemoryPool::Create(1000));
 
     for (int useDiscardable = 0; useDiscardable <= 1; ++useDiscardable) {
         const size_t size = 100;
 
         // test with client as last owner
-        SkCachedData* data = test_locking(reporter, size, useDiscardable ? pool.get() : NULL);
+        SkCachedData* data = test_locking(reporter, size, useDiscardable ? pool.get() : nullptr);
         check_data(reporter, data, 2, kInCache, kLocked);
         data->detachFromCacheAndUnref();
         check_data(reporter, data, 1, kNotInCache, kLocked);
         data->unref();
 
         // test with cache as last owner
-        data = test_locking(reporter, size, useDiscardable ? pool.get() : NULL);
+        data = test_locking(reporter, size, useDiscardable ? pool.get() : nullptr);
         check_data(reporter, data, 2, kInCache, kLocked);
         data->unref();
         check_data(reporter, data, 1, kInCache, kUnlocked);
         data->detachFromCacheAndUnref();
     }
 }