setShouldPrintBackgrounds  614 Source/web/WebSettingsImpl.cpp     m_settings->setShouldPrintBackgrounds(enabled);
setShouldPrintBackgrounds  146 Source/web/WebSettingsImpl.h     virtual void setShouldPrintBackgrounds(bool) OVERRIDE;
setShouldPrintBackgrounds  156 public/web/WebSettings.h     virtual void setShouldPrintBackgrounds(bool) = 0;