TtsExtensionEventHandler   87 chrome/browser/speech/extension_api/tts_extension_api.cc       public base::SupportsWeakPtr<TtsExtensionEventHandler> {
TtsExtensionEventHandler   95 chrome/browser/speech/extension_api/tts_extension_api.cc void TtsExtensionEventHandler::OnTtsEvent(Utterance* utterance,
TtsExtensionEventHandler  283 chrome/browser/speech/extension_api/tts_extension_api.cc       (new TtsExtensionEventHandler())->AsWeakPtr());