Style Change: NULL->nullptr
DOCS_PREVIEW= https://skia.org/?cl=1316233002

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/core/SkBitmapProcState_sample.h b/src/core/SkBitmapProcState_sample.h
index 5322a36..f70b758 100644
--- a/src/core/SkBitmapProcState_sample.h
+++ b/src/core/SkBitmapProcState_sample.h
@@ -41,7 +41,7 @@
 void MAKENAME(_nofilter_DXDY)(const SkBitmapProcState& s,
                               const uint32_t* SK_RESTRICT xy,
                               int count, DSTTYPE* SK_RESTRICT colors) {
-    SkASSERT(count > 0 && colors != NULL);
+    SkASSERT(count > 0 && colors != nullptr);
     SkASSERT(kNone_SkFilterQuality == s.fFilterLevel);
     SkDEBUGCODE(CHECKSTATE(s);)
 
@@ -83,7 +83,7 @@
 void MAKENAME(_nofilter_DX)(const SkBitmapProcState& s,
                             const uint32_t* SK_RESTRICT xy,
                             int count, DSTTYPE* SK_RESTRICT colors) {
-    SkASSERT(count > 0 && colors != NULL);
+    SkASSERT(count > 0 && colors != nullptr);
     SkASSERT(s.fInvType <= (SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask));
     SkASSERT(kNone_SkFilterQuality == s.fFilterLevel);
     SkDEBUGCODE(CHECKSTATE(s);)
@@ -138,7 +138,7 @@
 void MAKENAME(_filter_DX)(const SkBitmapProcState& s,
                           const uint32_t* SK_RESTRICT xy,
                            int count, DSTTYPE* SK_RESTRICT colors) {
-    SkASSERT(count > 0 && colors != NULL);
+    SkASSERT(count > 0 && colors != nullptr);
     SkASSERT(s.fFilterLevel != kNone_SkFilterQuality);
     SkDEBUGCODE(CHECKSTATE(s);)
 
@@ -184,7 +184,7 @@
 void MAKENAME(_filter_DXDY)(const SkBitmapProcState& s,
                             const uint32_t* SK_RESTRICT xy,
                             int count, DSTTYPE* SK_RESTRICT colors) {
-    SkASSERT(count > 0 && colors != NULL);
+    SkASSERT(count > 0 && colors != nullptr);
     SkASSERT(s.fFilterLevel != kNone_SkFilterQuality);
     SkDEBUGCODE(CHECKSTATE(s);)