deprecate getTotalMatrix

Change-Id: Iec7d67f4ec3fdf4d5280f3de3d6146a69a60c646
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/339995
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/gm/dftext.cpp b/gm/dftext.cpp
index 1f2c568..07c3720 100644
--- a/gm/dftext.cpp
+++ b/gm/dftext.cpp
@@ -68,7 +68,7 @@
         auto surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info, 0, &props));
         SkCanvas* canvas = surface ? surface->getCanvas() : inputCanvas;
         // init our new canvas with the old canvas's matrix
-        canvas->setMatrix(inputCanvas->getTotalMatrix());
+        canvas->setMatrix(inputCanvas->getLocalToDeviceAs3x3());
         // apply global scale to test glyph positioning
         canvas->scale(1.05f, 1.05f);
         canvas->clear(0xffffffff);