chrome/browser/ui/sync/browser_synced_tab_delegate.h

// Copyright 2018 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_UI_SYNC_BROWSER_SYNCED_TAB_DELEGATE_H_
#define CHROME_BROWSER_UI_SYNC_BROWSER_SYNCED_TAB_DELEGATE_H_

#include "base/macros.h"
#include "chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h"
#include "components/sessions/core/session_id.h"
#include "content/public/browser/web_contents_user_data.h"

namespace content {
class WebContents;
}

// A BrowserSyncedTabDelegate is the desktop implementation for
// SyncedTabDelegate, which essentially reads session IDs from SessionTabHelper.
class BrowserSyncedTabDelegate
    : public TabContentsSyncedTabDelegate,
      public content::WebContentsUserData<BrowserSyncedTabDelegate> {
 public:
  ~BrowserSyncedTabDelegate() override;

  // SyncedTabDelegate:
  SessionID GetWindowId() const override;
  SessionID GetSessionId() const override;
  bool IsPlaceholderTab() const override;

 private:
  explicit BrowserSyncedTabDelegate(content::WebContents* web_contents);
  friend class content::WebContentsUserData<BrowserSyncedTabDelegate>;

  WEB_CONTENTS_USER_DATA_KEY_DECL();

  DISALLOW_COPY_AND_ASSIGN(BrowserSyncedTabDelegate);
};

#endif  // CHROME_BROWSER_UI_SYNC_BROWSER_SYNCED_TAB_DELEGATE_H_