Index: cc/surfaces/surface_id.h |
diff --git a/cc/surfaces/surface_id.h b/cc/surfaces/surface_id.h |
index ae16b232bfbc7c5f1332daf1a8c88e29ac29befb..aa6c9c5d667fe420743e97585f796378b165076f 100644 |
--- a/cc/surfaces/surface_id.h |
+++ b/cc/surfaces/surface_id.h |
@@ -25,17 +25,13 @@ class SurfaceId { |
constexpr SurfaceId(const SurfaceId& other) = default; |
- // A SurfaceId consists of three components: FrameSinkId, local Id, and nonce. |
+ // A SurfaceId consists of two components: FrameSinkId and LocalFrameId. |
// A |frame_sink_id| consists of two components; one is allocated by the |
// display compositor service and one is allocated by the client. The |
// |frame_sink_id| uniquely identifies a FrameSink (and frame source). |
- // A |local_id| is a sequentially allocated ID generated by the frame source |
- // that uniquely identifies a sequential set of frames of the same size and |
- // device scale factor. |
- // A |nonce| is a cryptographically secure unguessable token that makes it |
- // impossible for an unprivileged frame source to embed another frame source |
- // without being explicitly given the surface ID of that frame source from a |
- // privileged process. |
+ // A |local_frame_id| is a sequentially allocated ID generated by the frame |
+ // source that uniquely identifies a sequential set of frames of the same size |
+ // and device scale factor. |
constexpr SurfaceId(const FrameSinkId& frame_sink_id, |
const LocalFrameId& local_frame_id) |
: frame_sink_id_(frame_sink_id), local_frame_id_(local_frame_id) {} |