use ClipOp instead of SkRegion for clipping

tests/WritePixelsTest.cpp

Index: tests/WritePixelsTest.cpp
diff --git a/tests/WritePixelsTest.cpp b/tests/WritePixelsTest.cpp
index 86effad36486c6a669b4123255d29fce74ebd796..ed95a8de9c2efdd97f1ec6d3249d09b656cd8023 100644
--- a/tests/WritePixelsTest.cpp
+++ b/tests/WritePixelsTest.cpp
@@ -124,7 +124,7 @@ static void fillCanvas(SkCanvas* canvas) {
     }
     canvas->save();
     canvas->setMatrix(SkMatrix::I());
-    canvas->clipRect(DEV_RECT_S, SkRegion::kReplace_Op);
+    canvas->legacyClipRect(DEV_RECT_S, SkRegion::kReplace_Op);
     SkPaint paint;
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
     canvas->drawBitmap(bmp, 0, 0, &paint);