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

cc/resources/ui_resource_bitmap.cc

Index: cc/resources/ui_resource_bitmap.cc
diff --git a/cc/resources/ui_resource_bitmap.cc b/cc/resources/ui_resource_bitmap.cc
index e254cf71614e8fdf73f2d576594c7fbcd5572644..61f168d4effc47dfafeee3ee89cafb86453b85f6 100644
--- a/cc/resources/ui_resource_bitmap.cc
+++ b/cc/resources/ui_resource_bitmap.cc
@@ -66,7 +66,7 @@ UIResourceBitmap::UIResourceBitmap(const gfx::Size& size, bool is_opaque) {
   SkImageInfo info =
       SkImageInfo::MakeN32(size.width(), size.height(), alphaType);
   skia::RefPtr<SkPixelRef> pixel_ref = skia::AdoptRef(
-      SkMallocPixelRef::NewAllocate(info, info.minRowBytes(), NULL));
+      SkMallocPixelRef::NewAllocate(info, info.minRowBytes(), nullptr));
   pixel_ref->setImmutable();
   Create(pixel_ref, size, UIResourceBitmap::RGBA8);
   SetOpaque(is_opaque);