setAcceleratedCompositingForFixedRootBackgroundEnabled  488 Source/web/WebSettingsImpl.cpp     m_settings->setAcceleratedCompositingForFixedRootBackgroundEnabled(enabled);
setAcceleratedCompositingForFixedRootBackgroundEnabled   64 Source/web/WebSettingsImpl.h     virtual void setAcceleratedCompositingForFixedRootBackgroundEnabled(bool) OVERRIDE;
setAcceleratedCompositingForFixedRootBackgroundEnabled   69 public/web/WebSettings.h     virtual void setAcceleratedCompositingForFixedRootBackgroundEnabled(bool) = 0;