AddChromeOsSpeechSynthesisExtension  101 chrome/browser/extensions/component_loader.h   std::string AddChromeOsSpeechSynthesisExtension();
AddChromeOsSpeechSynthesisExtension   90 chrome/browser/speech/tts_extension_loader_chromeos.cc   extension_service->component_loader()->AddChromeOsSpeechSynthesisExtension();