  bool Visit(content::RenderFrame* render_frame) override {
    if (render_frame->GetMainRenderFrame() == main_frame_ ||
        (render_frame->IsMainFrame() && render_frame == main_frame_)) {
      render_frame->GetWebFrame()->SetTextCheckClient(spell_check_client_);
    }
    return true;
  }
  bool Visit(content::RenderFrame* render_frame) override {
    if (render_frame->GetMainRenderFrame() == main_frame_ ||
        (render_frame->IsMainFrame() && render_frame == main_frame_)) {
      render_frame->GetWebFrame()->SetTextCheckClient(spell_check_client_);
    }
    return true;
  }