setAcceleratedCompositingForCanvasEnabled  503 Source/web/WebSettingsImpl.cpp     m_settings->setAcceleratedCompositingForCanvasEnabled(enabled);
setAcceleratedCompositingForCanvasEnabled   59 Source/web/WebSettingsImpl.h     virtual void setAcceleratedCompositingForCanvasEnabled(bool) OVERRIDE;
setAcceleratedCompositingForCanvasEnabled   66 public/web/WebSettings.h     virtual void setAcceleratedCompositingForCanvasEnabled(bool) = 0;