class CC_EXPORT LayerClient {
public:
// Returns a pointer to a debug info object, if one has been computed.
- // If not, returns NULL. If the returned pointer is non-NULL, the caller takes
+ // If not, returns nullptr.
+ // If the returned pointer is non-nullptr, the caller takes
// ownership of the pointer.
virtual scoped_refptr<base::debug::ConvertableToTraceFormat>
TakeDebugInfo() = 0;