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

cc/resources/skpicture_content_layer_updater.cc

Index: cc/resources/skpicture_content_layer_updater.cc
diff --git a/cc/resources/skpicture_content_layer_updater.cc b/cc/resources/skpicture_content_layer_updater.cc
index bd524f235f1cd53a6b947236dead75c17412592f..6ef86d123720218734f598d3c1d96baadd77f452 100644
--- a/cc/resources/skpicture_content_layer_updater.cc
+++ b/cc/resources/skpicture_content_layer_updater.cc
@@ -29,8 +29,8 @@ void SkPictureContentLayerUpdater::PrepareToUpdate(
     float contents_width_scale,
     float contents_height_scale) {
   SkPictureRecorder recorder;
-  SkCanvas* canvas =
-      recorder.beginRecording(paint_rect.width(), paint_rect.height(), NULL, 0);
+  SkCanvas* canvas = recorder.beginRecording(
+      paint_rect.width(), paint_rect.height(), nullptr, 0);
   DCHECK_EQ(paint_rect.width(), canvas->getBaseLayerSize().width());
   DCHECK_EQ(paint_rect.height(), canvas->getBaseLayerSize().height());
   base::TimeTicks start_time =