Initial work on making extensions work in incognito mode.

chrome/browser/extensions/extension_toolbar_model.h

 // Copyright (c) 2010 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_EXTENSIONS_EXTENSION_TOOLBAR_MODEL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_TOOLBAR_MODEL_H_
 
 #include "base/observer_list.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/notification_observer.h"
@@ skipping 32 matching lines @@
   }
 
   ExtensionList::iterator begin() {
     return toolitems_.begin();
   }
 
   ExtensionList::iterator end() {
     return toolitems_.end();
   }
 
+  // Utility functions for converting between an index into the list of
+  // incognito-enabled browser actions, and the list of all browser actions.
+  int IncognitoIndexToOriginal(int incognito_index);
+  int OriginalIndexToIncognito(int original_index);
+
  private:
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // To be called after the extension service is ready; gets loaded extensions
   // from the extension service and their saved order from the pref service
   // and constructs |toolitems_| from these data.
   void InitializeExtensionList();
@@ skipping 16 matching lines @@
   // Keeps track of what the last extension to get disabled was.
   std::string last_extension_removed_;
 
   // Keeps track of where the last extension to get disabled was in the list.
   size_t last_extension_removed_index_;
 
   NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TOOLBAR_MODEL_H_