chromium/chrome/browser/apps/platform_apps/audio_focus_web_contents_observer.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_APPS_PLATFORM_APPS_AUDIO_FOCUS_WEB_CONTENTS_OBSERVER_H_
#define CHROME_BROWSER_APPS_PLATFORM_APPS_AUDIO_FOCUS_WEB_CONTENTS_OBSERVER_H_

#include "base/unguessable_token.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"

namespace apps {

// AudioFocusWebContentsObserver manages audio focus group ids for apps. This
// means that apps will have seperate audio focus from the browser.
class AudioFocusWebContentsObserver
    : public content::WebContentsObserver,
      public content::WebContentsUserData<AudioFocusWebContentsObserver> { … };

}  // namespace apps

#endif  // CHROME_BROWSER_APPS_PLATFORM_APPS_AUDIO_FOCUS_WEB_CONTENTS_OBSERVER_H_