float PrintWebViewHelper::RenderPageContent(blink::WebFrame* frame,
                                            int page_number,
                                            const gfx::Rect& canvas_area,
                                            const gfx::Rect& content_area,
                                            double scale_factor,
                                            blink::WebCanvas* canvas) {
  SkAutoCanvasRestore auto_restore(canvas, true);
  canvas->translate((content_area.x() - canvas_area.x()) / scale_factor,
                    (content_area.y() - canvas_area.y()) / scale_factor);
  return frame->printPage(page_number, canvas);
}

Unknown