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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_TAB_CONTENTS_TAB_UTIL_H_
      6 #define CHROME_BROWSER_TAB_CONTENTS_TAB_UTIL_H_
      7 
      8 class GURL;
      9 class Profile;
     10 
     11 namespace content {
     12 class SiteInstance;
     13 class WebContents;
     14 }
     15 
     16 namespace tab_util {
     17 
     18 // Helper to find the WebContents that originated the given request. Can be
     19 // NULL if the tab has been closed or some other error occurs.
     20 // Should only be called from the UI thread, since it accesses WebContents.
     21 content::WebContents* GetWebContentsByID(int render_process_id,
     22                                          int render_view_id);
     23 
     24 // Returns a new SiteInstance for WebUI and app URLs. Returns NULL otherwise.
     25 content::SiteInstance* GetSiteInstanceForNewTab(
     26     Profile* profile,
     27     const GURL& url);
     28 
     29 }  // namespace tab_util
     30 
     31 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_UTIL_H_
     32