Clear plugin data together with cookies on shutdown.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 38126e08de8a284ce20e47acae7491023a874d70..67d8b0ac8b9e504f4d5fff5acd285d2023ef62d7 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -593,11 +593,6 @@ const char kBlockNonsandboxedPlugins[] = "profile.block_nonsandboxed_plugins";
 // 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";