[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr in src/…

cc/resources/picture_pile.cc

Index: cc/resources/picture_pile.cc
diff --git a/cc/resources/picture_pile.cc b/cc/resources/picture_pile.cc
index 4858d247bab590dd766b50e054bb07340e3bf4ea..00d87c7c67c315d696ee3639ff1f85407211ef22 100644
--- a/cc/resources/picture_pile.cc
+++ b/cc/resources/picture_pile.cc
@@ -556,7 +556,7 @@ void PicturePile::DetermineIfSolidColor() {
   }
   skia::AnalysisCanvas canvas(recorded_viewport_.width(),
                               recorded_viewport_.height());
-  picture->Raster(&canvas, NULL, Region(), 1.0f);
+  picture->Raster(&canvas, nullptr, Region(), 1.0f);
   is_solid_color_ = canvas.GetColorIfSolid(&solid_color_);
 }