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

cc/layers/layer.h

Index: cc/layers/layer.h
diff --git a/cc/layers/layer.h b/cc/layers/layer.h
index 3e83e8fcebcdbcfee28d03cf1c0c41923f9cb109..ed0d0cdf76b3416ff1c12367f6f1f03c64176536 100644
--- a/cc/layers/layer.h
+++ b/cc/layers/layer.h
@@ -100,7 +100,7 @@ class CC_EXPORT Layer : public base::RefCounted<Layer>,
 
   // This requests the layer and its subtree be rendered and given to the
   // callback. If the copy is unable to be produced (the layer is destroyed
-  // first), then the callback is called with a NULL/empty result.
+  // first), then the callback is called with a nullptr/empty result.
   void RequestCopyOfOutput(scoped_ptr<CopyOutputRequest> request);
   bool HasCopyRequest() const {
     return !copy_requests_.empty();