Move the tts and ttsEngine APIs out of experimental, and give

chrome/browser/extensions/extension_tts_engine_api.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_TTS_ENGINE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_TTS_ENGINE_API_H_
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/extensions/extension_function.h"
 
@@ skipping 25 matching lines @@
 // Stop speaking the given utterance by sending an event to the extension
 // associated with this utterance.
 void ExtensionTtsEngineStop(Utterance* utterance);
 
 // Hidden/internal extension function used to allow TTS engine extensions
 // to send events back to the client that's calling tts.speak().
 class ExtensionTtsEngineSendTtsEventFunction : public SyncExtensionFunction {
  private:
   virtual ~ExtensionTtsEngineSendTtsEventFunction() {}
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.ttsEngine.sendTtsEvent")
+  DECLARE_EXTENSION_FUNCTION_NAME("ttsEngine.sendTtsEvent")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TTS_ENGINE_API_H_