// Copyright (c) 2012 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_TAB_CONTENTS_TAB_UTIL_H_
#define CHROME_BROWSER_TAB_CONTENTS_TAB_UTIL_H_

class GURL;
class Profile;

namespace content {
class SiteInstance;
class WebContents;
}

namespace tab_util {

// Helper to find the WebContents that originated the given request. Can be
// NULL if the tab has been closed or some other error occurs.
// Should only be called from the UI thread, since it accesses WebContents.
content::WebContents* GetWebContentsByID(int render_process_id,
                                         int render_view_id);

content::WebContents* GetWebContentsByFrameID(int render_process_id,
                                              int render_frame_id);

// Returns a new SiteInstance for WebUI and app URLs. Returns NULL otherwise.
content::SiteInstance* GetSiteInstanceForNewTab(
    Profile* profile,
    const GURL& url);

}  // namespace tab_util

#endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_UTIL_H_