Add GM to test the IgnoreTransform flag on blurs

Bug: skia:
Change-Id: I2525daa83d78280e4be3b31b66dc4f13971af311
Reviewed-on: https://skia-review.googlesource.com/18066
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/gn/gm.gni b/gn/gm.gni
index 65c2f7c..2eb9a16 100644
--- a/gn/gm.gni
+++ b/gn/gm.gni
@@ -42,6 +42,7 @@
   "$_gm/blend.cpp",
   "$_gm/blurcircles.cpp",
   "$_gm/blurcircles2.cpp",
+  "$_gm/blurignorexform.cpp",
   "$_gm/blurquickreject.cpp",
   "$_gm/blurrect.cpp",
   "$_gm/blurredclippedcircle.cpp",