Revert "Revert "move onto new factories for SkMatrix""

This reverts commit c80ee456adf664c4a62fa2ccaeaf157c723ed656.

fix: update flutter's gn file to add guard

Change-Id: Iac5171c8475d9a862d06255dab1c6f38f10de2f2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/291361
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/gm/complexclip.cpp b/gm/complexclip.cpp
index 6e22dc0..264564d 100644
--- a/gm/complexclip.cpp
+++ b/gm/complexclip.cpp
@@ -239,7 +239,7 @@
     canvas->translate(img->width() + 10, img->height() + 10);
     canvas->clipShader(sh, SkClipOp::kIntersect);
     canvas->save();
-    SkMatrix lm = SkMatrix::MakeScale(1.0f / 5);
+    SkMatrix lm = SkMatrix::Scale(1.0f/5, 1.0f/5);
     canvas->clipShader(img->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat, &lm));
     canvas->drawImage(img, 0, 0, nullptr);