setDNSPrefetchingEnabled  334 Source/web/WebSettingsImpl.cpp     m_settings->setDNSPrefetchingEnabled(enabled);
setDNSPrefetchingEnabled   86 Source/web/WebSettingsImpl.h     virtual void setDNSPrefetchingEnabled(bool) OVERRIDE;
setDNSPrefetchingEnabled   95 public/web/WebSettings.h     virtual void setDNSPrefetchingEnabled(bool) = 0;