override new virtual onDrawDRRect in util canvas subclasses

src/utils/SkLuaCanvas.cpp

Index: src/utils/SkLuaCanvas.cpp
diff --git a/src/utils/SkLuaCanvas.cpp b/src/utils/SkLuaCanvas.cpp
index 7f127403ae0260d4f00557b1d6f5a4b088baa2fd..8c25dc0401e50a0d719153052542f00361864745 100644
--- a/src/utils/SkLuaCanvas.cpp
+++ b/src/utils/SkLuaCanvas.cpp
@@ -194,6 +194,14 @@ void SkLuaCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
     lua.pushPaint(paint, "paint");
 }
 
+void SkLuaCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
+                               const SkPaint& paint) {
+    AUTO_LUA("drawDRRect");
+    lua.pushRRect(outer, "outer");
+    lua.pushRRect(inner, "inner");
+    lua.pushPaint(paint, "paint");
+}
+
 void SkLuaCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
     AUTO_LUA("drawPath");
     lua.pushPath(path, "path");