Style Change: NULL->nullptr

src/core/SkMaskGamma.h

Index: src/core/SkMaskGamma.h
diff --git a/src/core/SkMaskGamma.h b/src/core/SkMaskGamma.h
index be5d034c81c7ca8c6962d705dbac89867557b976..16ea47b1b01528f8682899a526a6796f33c0f9c1 100644
--- a/src/core/SkMaskGamma.h
+++ b/src/core/SkMaskGamma.h
@@ -168,7 +168,7 @@ private:
  * convert a linear alpha value for a given channel to a gamma correcting alpha
  * value for that channel. This class is immutable.
  *
- * If fR, fG, or fB is NULL, all of them will be. This indicates that no mask
+ * If fR, fG, or fB is nullptr, all of them will be. This indicates that no mask
  * pre blend should be applied. SkTMaskPreBlend::isApplicable() is provided as
  * a convenience function to test for the absence of this case.
  */
@@ -182,7 +182,7 @@ private:
     friend class SkTMaskGamma<R_LUM_BITS, G_LUM_BITS, B_LUM_BITS>;
 public:
     /** Creates a non applicable SkTMaskPreBlend. */
-    SkTMaskPreBlend() : fParent(), fR(NULL), fG(NULL), fB(NULL) { }
+    SkTMaskPreBlend() : fParent(), fR(nullptr), fG(nullptr), fB(nullptr) { }
 
     /**
      * This copy contructor exists for correctness, but should never be called
@@ -193,7 +193,7 @@ public:
 
     ~SkTMaskPreBlend() { }
 
-    /** True if this PreBlend should be applied. When false, fR, fG, and fB are NULL. */
+    /** True if this PreBlend should be applied. When false, fR, fG, and fB are nullptr. */
     bool isApplicable() const { return SkToBool(this->fG); }
 
     const uint8_t* fR;