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chrome/browser/ui/browser_navigator.h

 // Copyright (c) 2011 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_BROWSER_NAVIGATOR_H_
 #define CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_
 #pragma once
 
 #include <string>
 
@@ skipping 153 matching lines @@
   // creating a Browser.
   Profile* profile;
 
  private:
   NavigateParams();
 };
 
 // Navigates according to the configuration specified in |params|.
 void Navigate(NavigateParams* params);
 
+// If the given navigational URL is a Singleton, return the tab index for it.
+// Otherwise, returns -1.
+int GetIndexOfSingletonTab(NavigateParams* params);
+
 }  // namespace browser
 
 #endif  // CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_