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/tools/debugger/DebugCanvas.cpp b/tools/debugger/DebugCanvas.cpp
index 11b7608..95d2e06 100644
--- a/tools/debugger/DebugCanvas.cpp
+++ b/tools/debugger/DebugCanvas.cpp
@@ -328,11 +328,11 @@
 }
 
 void DebugCanvas::didScale(SkScalar x, SkScalar y) {
-    this->didConcat(SkMatrix::MakeScale(x, y));
+    this->didConcat(SkMatrix::Scale(x, y));
 }
 
 void DebugCanvas::didTranslate(SkScalar x, SkScalar y) {
-    this->didConcat(SkMatrix::MakeTrans(x, y));
+    this->didConcat(SkMatrix::Translate(x, y));
 }
 
 void DebugCanvas::didConcat(const SkMatrix& matrix) {