chromium/content/public/browser/tts_platform.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_TTS_PLATFORM_H_
#define CONTENT_PUBLIC_BROWSER_TTS_PLATFORM_H_

#include <string>

#include "content/common/content_export.h"
#include "content/public/browser/tts_controller.h"
#include "content/public/browser/tts_utterance.h"
#include "url/gurl.h"

namespace content {

// Interface for TTS functionality provided by the platform (e.g. on ChromeOS
// by Ash while being used for LaCrOS).
class CONTENT_EXPORT ExternalPlatformDelegate {};

// Abstract class that defines the native platform TTS interface,
// subclassed by specific implementations on Win, Mac, etc.
class CONTENT_EXPORT TtsPlatform {};

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_TTS_PLATFORM_H_