Alter SkCanvas::drawPicture (devirtualize, take const SkPicture, take pointer)

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 250 matching lines @@
 }
 
 void SkLuaCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
                                    const SkMatrix* matrix, const SkPaint& paint) {
     AUTO_LUA("drawTextOnPath");
     lua.pushPath(path, "path");
     lua.pushEncodedText(paint.getTextEncoding(), text, byteLength);
     lua.pushPaint(paint, "paint");
 }
 
-void SkLuaCanvas::drawPicture(SkPicture& picture) {
+void SkLuaCanvas::onDrawPicture(const SkPicture* picture) {
     AUTO_LUA("drawPicture");
     // call through so we can see the nested picture ops
-    this->INHERITED::drawPicture(picture);
+    this->INHERITED::onDrawPicture(picture);
 }
 
 void SkLuaCanvas::drawVertices(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");
 }
 
 void SkLuaCanvas::drawData(const void* data, size_t length) {
     AUTO_LUA("drawData");
 }