[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/speech/extension_api/tts_extension_api.h

Index: chrome/browser/speech/extension_api/tts_extension_api.h
diff --git a/chrome/browser/speech/extension_api/tts_extension_api.h b/chrome/browser/speech/extension_api/tts_extension_api.h
index 8c153bc2fd214ed7273f78a2cae81a2473ec1921..734decc16dade8efd6689b0ee94349a3d15bc0c1 100644
--- a/chrome/browser/speech/extension_api/tts_extension_api.h
+++ b/chrome/browser/speech/extension_api/tts_extension_api.h
@@ -27,38 +27,38 @@ class TtsSpeakFunction : public ChromeAsyncExtensionFunction {
   DECLARE_EXTENSION_FUNCTION("tts.speak", TTS_SPEAK)
 };
 
-class TtsStopSpeakingFunction : public ChromeSyncExtensionFunction {
+class TtsStopSpeakingFunction : public UIThreadExtensionFunction {
  private:
   ~TtsStopSpeakingFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
   DECLARE_EXTENSION_FUNCTION("tts.stop", TTS_STOP)
 };
 
-class TtsPauseFunction : public ChromeSyncExtensionFunction {
+class TtsPauseFunction : public UIThreadExtensionFunction {
  private:
   ~TtsPauseFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
   DECLARE_EXTENSION_FUNCTION("tts.pause", TTS_PAUSE)
 };
 
-class TtsResumeFunction : public ChromeSyncExtensionFunction {
+class TtsResumeFunction : public UIThreadExtensionFunction {
  private:
   ~TtsResumeFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
   DECLARE_EXTENSION_FUNCTION("tts.resume", TTS_RESUME)
 };
 
-class TtsIsSpeakingFunction : public ChromeSyncExtensionFunction {
+class TtsIsSpeakingFunction : public UIThreadExtensionFunction {
  private:
   ~TtsIsSpeakingFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
   DECLARE_EXTENSION_FUNCTION("tts.isSpeaking", TTS_ISSPEAKING)
 };
 
-class TtsGetVoicesFunction : public ChromeSyncExtensionFunction {
+class TtsGetVoicesFunction : public UIThreadExtensionFunction {
  private:
   ~TtsGetVoicesFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
   DECLARE_EXTENSION_FUNCTION("tts.getVoices", TTS_GETVOICES)
 };