add Method param to drawTextOnPath, supporting SVG spec

src/utils/SkLuaCanvas.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLuaCanvas.h"
 #include "SkLua.h"
 
@@ skipping 256 matching lines @@
 }
 
 void SkLuaCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
                                  SkScalar constY, const SkPaint& paint) {
     AUTO_LUA("drawPosTextH");
     lua.pushEncodedText(paint.getTextEncoding(), text, byteLength);
     lua.pushPaint(paint, "paint");
 }
 
 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);
     lua.pushPaint(paint, "paint");
 }
 
 void SkLuaCanvas::onDrawTextBlob(const SkTextBlob *blob, SkScalar x, SkScalar y,
                                  const SkPaint &paint) {
     AUTO_LUA("drawTextBlob");
     lua.pushTextBlob(blob, "blob");
@@ skipping 10 matching lines @@
 }
 
 void SkLuaCanvas::onDrawVertices(VertexMode vmode, int vertexCount,
                                  const SkPoint vertices[], const SkPoint texs[],
                                  const SkColor colors[], SkXfermode* xmode,
                                  const uint16_t indices[], int indexCount,
                                  const SkPaint& paint) {
     AUTO_LUA("drawVertices");
     lua.pushPaint(paint, "paint");
 }