Track permissions granted to extensions in prefs

chrome/common/extensions/extension.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_COMMON_EXTENSIONS_EXTENSION_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 236 matching lines @@
   // Expects base64 encoded |input| and formats into |output| including
   // the appropriate header & footer.
   static bool FormatPEMForFileOutput(const std::string input,
       std::string* output, bool is_public);
 
   // Determine whether |new_extension| has increased privileges compared to
   // |old_extension|.
   static bool IsPrivilegeIncrease(const Extension* old_extension,
                                   const Extension* new_extension);
 
+  // Determine whether the |extension| has increased privileges compared to
+  // its previous |granted_apis| and |granted_hosts| permissions.
+  static bool IsPrivilegeIncrease(const std::set<std::string>* granted_apis,
+                                  const std::set<std::string>* granted_hosts,
+                                  const Extension* extension);
+
   // Given an extension and icon size, read it if present and decode it into
   // result. In the browser process, this will DCHECK if not called on the
   // file thread. To easily load extension images on the UI thread, see
   // ImageLoadingTracker.
   static void DecodeIcon(const Extension* extension,
                          Icons icon_size,
                          scoped_ptr<SkBitmap>* result);
 
   // Given an icon_path and icon size, read it if present and decode it into
   // result. In the browser process, this will DCHECK if not called on the
@@ skipping 412 matching lines @@
   std::set<std::string> extension_api_permissions;
   // TODO(akalin): Once we have a unified ExtensionType, replace the
   // below member variables with a member of that type.
   bool is_theme;
   bool is_app;
   bool converted_from_user_script;
   GURL update_url;
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_H_