drawTextRSXform

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2130643004

Review-Url: https://codereview.chromium.org/2130643004
diff --git a/src/utils/SkDumpCanvas.cpp b/src/utils/SkDumpCanvas.cpp
index 7a37fcb..5166640 100644
--- a/src/utils/SkDumpCanvas.cpp
+++ b/src/utils/SkDumpCanvas.cpp
@@ -429,6 +429,14 @@
                str.c_str(), byteLength);
 }
 
+void SkDumpCanvas::onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform xform[],
+                                     const SkRect* cull, const SkPaint& paint) {
+    SkString str;
+    toString(text, byteLength, paint.getTextEncoding(), &str);
+    this->dump(kDrawText_Verb, &paint, "drawTextRSXform(%s [%d])",
+               str.c_str(), byteLength);
+}
+
 void SkDumpCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                                   const SkPaint& paint) {
     SkString str;