add Method param to drawTextOnPath, supporting SVG spec

src/utils/SkLuaCanvas.cpp

Index: src/utils/SkLuaCanvas.cpp
diff --git a/src/utils/SkLuaCanvas.cpp b/src/utils/SkLuaCanvas.cpp
index 68094f2ca0e2344f49e43f4c66204b33436bbe29..6f4c65891c37822600f3ab441f62d927781ca597 100644
--- a/src/utils/SkLuaCanvas.cpp
+++ b/src/utils/SkLuaCanvas.cpp
@@ -274,7 +274,8 @@ void SkLuaCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkSc
 }
 
 void SkLuaCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
-                                   const SkMatrix* matrix, const SkPaint& paint) {
+                                   const SkMatrix* matrix,
+                                   SK_SUPPORT_LEGACY_DRAWTEXTONPATH_PARAM const SkPaint& paint) {
     AUTO_LUA("drawTextOnPath");
     lua.pushPath(path, "path");
     lua.pushEncodedText(paint.getTextEncoding(), text, byteLength);