chromium/components/client_hints/browser/client_hints_web_contents_observer.h

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_CLIENT_HINTS_BROWSER_CLIENT_HINTS_WEB_CONTENTS_OBSERVER_H_
#define COMPONENTS_CLIENT_HINTS_BROWSER_CLIENT_HINTS_WEB_CONTENTS_OBSERVER_H_

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

namespace client_hints {

// This class tracks the viewport size of the visible main frame. This value is
// used when the viewport size is not directly available, such as for prefetch
// requests and for tab restore.
class ClientHintsWebContentsObserver
    : public content::WebContentsObserver,
      public content::WebContentsUserData<ClientHintsWebContentsObserver> { … };

}  // namespace client_hints

#endif  // COMPONENTS_CLIENT_HINTS_BROWSER_CLIENT_HINTS_WEB_CONTENTS_OBSERVER_H_