Attemp 2 at:

chrome/browser/extensions/extension_prefs.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_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 124 matching lines @@
   // If we have idle install information for |extension_id|, this puts it into
   // the out parameters and returns true. Otherwise returns false.
   bool GetIdleInstallInfo(const std::string& extension_id,
                           FilePath* crx_path,
                           std::string* version,
                           base::Time* fetch_time);
 
   // Returns the extension id's that have idle install information.
   std::set<std::string> GetIdleInstallInfoIds();
 
-  // Returns whether app toolbars are visible for the specified extension.
-  bool AreAppTabToolbarsVisible(const std::string& extension_id);
-
-  // Set whether app toolbars are visible for the specified extension.
-  void SetAppTabToolbarVisibility(const std::string& extension_id, bool value);
-
   static void RegisterUserPrefs(PrefService* prefs);
 
   // The underlying PrefService.
   PrefService* pref_service() const { return prefs_; }
 
  private:
 
   // Converts absolute paths in the pref to paths relative to the
   // install_directory_.
   void MakePathsRelative();
@@ skipping 39 matching lines @@
   // Base extensions install directory.
   FilePath install_directory_;
 
   // The URLs of all of the toolstrips.
   URLList shelf_order_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_