Style Change: NULL->nullptr

src/effects/gradients/SkSweepGradient.cpp

Index: src/effects/gradients/SkSweepGradient.cpp
diff --git a/src/effects/gradients/SkSweepGradient.cpp b/src/effects/gradients/SkSweepGradient.cpp
index 9e44b70298e65c470e780999b58880850de47fdb..c6699e87e0fabe0877c46013da16a8339879e0e7 100644
--- a/src/effects/gradients/SkSweepGradient.cpp
+++ b/src/effects/gradients/SkSweepGradient.cpp
@@ -33,7 +33,7 @@ SkShader::GradientType SkSweepGradient::asAGradient(GradientInfo* info) const {
 SkFlattenable* SkSweepGradient::CreateProc(SkReadBuffer& buffer) {
     DescriptorScope desc;
     if (!desc.unflatten(buffer)) {
-        return NULL;
+        return nullptr;
     }
     const SkPoint center = buffer.readPoint();
     return SkGradientShader::CreateSweep(center.x(), center.y(), desc.fColors, desc.fPos,
@@ -240,7 +240,7 @@ GrFragmentProcessor* GrSweepGradient::TestCreate(GrProcessorTestData* d) {
     GrFragmentProcessor* fp;
     GrColor paintColor;
     SkAssertResult(shader->asFragmentProcessor(d->fContext, paint,
-                                               GrTest::TestMatrix(d->fRandom), NULL,
+                                               GrTest::TestMatrix(d->fRandom), nullptr,
                                                &paintColor, d->fProcDataManager, &fp));
     return fp;
 }