Style Change: NULL->nullptr

src/core/SkColorFilter.cpp

Index: src/core/SkColorFilter.cpp
diff --git a/src/core/SkColorFilter.cpp b/src/core/SkColorFilter.cpp
index e1670b8e73d6e39bf25c725e02d4e4690740c6b0..c67869fd65e2c163427d4543f01d64a427004728 100644
--- a/src/core/SkColorFilter.cpp
+++ b/src/core/SkColorFilter.cpp
@@ -130,7 +130,7 @@ SkColorFilter* SkColorFilter::CreateComposeFilter(SkColorFilter* outer, SkColorF
 
     int count = inner->privateComposedFilterCount() + outer->privateComposedFilterCount();
     if (count > SK_MAX_COMPOSE_COLORFILTER_COUNT) {
-        return NULL;
+        return nullptr;
     }
     return new SkComposeColorFilter(outer, inner, count);
 }