Add a preference to clear plugin data on browser shutdown.

chrome/common/pref_names.cc

 // 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.
 
 #include "chrome/common/pref_names.h"
 
 namespace prefs {
 
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
@@ skipping 540 matching lines @@
 // regardless of other content settings.
 const char kBlockThirdPartyCookies[] = "profile.block_third_party_cookies";
 
 // Boolean that is true if non-sandboxed plug-ins should be blocked.
 const char kBlockNonsandboxedPlugins[] = "profile.block_nonsandboxed_plugins";
 
 // Boolean that is true when all locally stored site data (e.g. cookies, local
 // storage, etc..) should be deleted on exit.
 const char kClearSiteDataOnExit[] = "profile.clear_site_data_on_exit";
 
+// Boolean that is true when plug-in locally stored data ("Flash cookies")
+// should be deleted on exit.
+const char kClearPluginLSODataOnExit[] =
+    "profile.clear_plugin_lso_data_on_exit";
+
 // Double that indicates the default zoom level.
 const char kDefaultZoomLevel[] = "profile.default_zoom_level";
 
 // Dictionary that maps hostnames to zoom levels.  Hosts not in this pref will
 // be displayed at the default zoom level.
 const char kPerHostZoomLevels[] = "profile.per_host_zoom_levels";
 
 // Boolean that is true if AutoFill is enabled and allowed to save profile data.
 const char kAutoFillEnabled[] = "autofill.enabled";
 
@@ skipping 551 matching lines @@
 const char kManagedDefaultPluginsSetting[] =
     "profile.managed_default_content_settings.plugins";
 const char kManagedDefaultPopupsSetting[] =
     "profile.managed_default_content_settings.popups";
 
 // Dictionary for storing the set of known background pages (keys are extension
 // IDs of background page owners, value is a boolean that is true if the user
 // needs to acknowledge this page.
 const char kKnownBackgroundPages[] = "background_pages.known";
 }  // namespace prefs