Retire SkNoSaveLayerCanvas

No clients, superseded by SkNoDrawCanvas.

R=reed@google.com

Change-Id: I93352c6cfb24ec133ed8433c3b31a5fa5ab1ace8
Reviewed-on: https://skia-review.googlesource.com/5460
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
diff --git a/include/utils/SkNoDrawCanvas.h b/include/utils/SkNoDrawCanvas.h
index 376fa7c..0330251 100644
--- a/include/utils/SkNoDrawCanvas.h
+++ b/include/utils/SkNoDrawCanvas.h
@@ -29,4 +29,4 @@
     typedef SkCanvas INHERITED;
 };
 
-#endif // SkNoSaveLayerCanvas_DEFINED
+#endif // SkNoDrawCanvas_DEFINED