Add a preference to clear plugin data on browser shutdown.

chrome/browser/ui/options/options_util.cc

Index: chrome/browser/ui/options/options_util.cc
diff --git a/chrome/browser/ui/options/options_util.cc b/chrome/browser/ui/options/options_util.cc
index f3a9e77ef84df87fe8bb5bc969b76bb13b3b8ded..0c8ba362d2f5d67149d62496dbd04fd80e7669db 100644
--- a/chrome/browser/ui/options/options_util.cc
+++ b/chrome/browser/ui/options/options_util.cc
@@ -27,6 +27,7 @@ void OptionsUtil::ResetToDefaults(Profile* profile) {
   const char* kUserPrefs[] = {
     prefs::kAcceptLanguages,
     prefs::kAlternateErrorPagesEnabled,
+    prefs::kClearPluginLSODataOnExit,
     prefs::kClearSiteDataOnExit,
     prefs::kCookieBehavior,
     prefs::kDefaultCharset,
@@ -36,6 +37,7 @@ void OptionsUtil::ResetToDefaults(Profile* profile) {
     prefs::kDeleteCookies,
     prefs::kDeleteDownloadHistory,
     prefs::kDeleteFormData,
+    prefs::kDeleteLSOData,
     prefs::kDeletePasswords,
     prefs::kDnsPrefetchingEnabled,
 #if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD)