Disable outdated plugins, block non-sandboxed plugins.

chrome/browser/plugin_updater.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_PLUGIN_UPDATER_H_
 #define CHROME_BROWSER_PLUGIN_UPDATER_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 12 matching lines @@
 
 // Enable or disable a plugin group.
 void EnablePluginGroup(bool enable, const string16& group_name);
 
 // Enable or disable a specific plugin file.
 void EnablePluginFile(bool enable, const FilePath::StringType& file_path);
 
 // Disable all plugin groups as defined by the user's preference file.
 void DisablePluginGroupsFromPrefs(Profile* profile);
 
+// Disable all plugins groups that are known to be outdated, according to the
+// information hardcoded in PluginGroup, to make sure that they can't be loaded
+// on a web page and instead show a UI to update to the latest version.
+void DisableOutdatedPluginGroups();
+
 // Write the enable/disable status to the user's preference file.
 void UpdatePreferences(Profile* profile);
 
 }  // namespace plugin_updater
 
 #endif  // CHROME_BROWSER_PLUGIN_UPDATER_H_