Reverse scene node drawing order.

mojo/services/gfx/composition/interfaces/nodes.mojom

Index: mojo/services/gfx/composition/interfaces/nodes.mojom
diff --git a/mojo/services/gfx/composition/interfaces/nodes.mojom b/mojo/services/gfx/composition/interfaces/nodes.mojom
index dc773d798ec7c997e3abba0eca5c2a4dbf6cfe8b..588a8eb2e7754a90779a1d72e6fe541c298c9555 100644
--- a/mojo/services/gfx/composition/interfaces/nodes.mojom
+++ b/mojo/services/gfx/composition/interfaces/nodes.mojom
@@ -17,9 +17,9 @@ import "mojo/services/gfx/composition/interfaces/hit_tests.mojom";
 // acyclic graph of drawing commands.
 //
 // The node graph is processed in pre-order traversal.  Starting from the
-// root, the compositor applies the transformation, clip, recursively
-// processes the node's children according to the node's combinator rule,
-// then applies the node's own operation.
+// root, the compositor applies the transformation, clip, applies the
+// node's operation (if any), then recursively processes the node's children
+// according to the node's combinator rule.
 //
 // BLOCKED NODES
 //