Migrate to drawImage w/ sampling

Bug: skia:7650
Change-Id: Icb99ee9f7142fe1ca22f9fa66b1467486ce576a6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/357598
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/samplecode/SampleLayers.cpp b/samplecode/SampleLayers.cpp
index f7c1818..39282f9 100644
--- a/samplecode/SampleLayers.cpp
+++ b/samplecode/SampleLayers.cpp
@@ -190,7 +190,7 @@
     SkString name() override { return SkString("Backdrop"); }
 
     void onDrawContent(SkCanvas* canvas) override {
-        canvas->drawImage(fImage.get(), 0, 0, nullptr);
+        canvas->drawImage(fImage.get(), 0, 0);
 
         const SkScalar w = 250;
         const SkScalar h = 150;