[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr [part-4]

cc/test/layer_tree_pixel_test.cc

Index: cc/test/layer_tree_pixel_test.cc
diff --git a/cc/test/layer_tree_pixel_test.cc b/cc/test/layer_tree_pixel_test.cc
index ed14e33f0e031fe3649f8176083503a1ff46907f..1eb2caefb6f10b80aaf8762ba7b6612ad65b6c52 100644
--- a/cc/test/layer_tree_pixel_test.cc
+++ b/cc/test/layer_tree_pixel_test.cc
@@ -176,7 +176,7 @@ scoped_refptr<SolidColorLayer> LayerTreePixelTest::
 
 scoped_refptr<TextureLayer> LayerTreePixelTest::CreateTextureLayer(
     const gfx::Rect& rect, const SkBitmap& bitmap) {
-  scoped_refptr<TextureLayer> layer = TextureLayer::CreateForMailbox(NULL);
+  scoped_refptr<TextureLayer> layer = TextureLayer::CreateForMailbox(nullptr);
   layer->SetIsDrawable(true);
   layer->SetBounds(rect.size());
   layer->SetPosition(rect.origin());
@@ -198,7 +198,7 @@ void LayerTreePixelTest::RunPixelTest(
     base::FilePath file_name) {
   test_type_ = test_type;
   content_root_ = content_root;
-  readback_target_ = NULL;
+  readback_target_ = nullptr;
   ref_file_ = file_name;
   RunTest(true, false, impl_side_painting_);
 }