chromium/chrome/browser/tab_contents/web_contents_collection.h

// Copyright 2021 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_TAB_CONTENTS_WEB_CONTENTS_COLLECTION_H_
#define CHROME_BROWSER_TAB_CONTENTS_WEB_CONTENTS_COLLECTION_H_

#include <memory>

#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "content/public/browser/web_contents_observer.h"

namespace content {
class WebContents;
}  // namespace content

// Utility class for receiving `WebContentsObserver` callbacks from sets of
// `WebContents`. Manages a set of `WebContentsObserver` which forward their
// callbacks annotated with the WebContents they occurred in to an observer. The
// collection ensures that observer lifetimes are properly handled.
class WebContentsCollection { … };

#endif  // CHROME_BROWSER_TAB_CONTENTS_WEB_CONTENTS_COLLECTION_H_