Add a preference to clear Flash LSO data in the Clear Browsing Data dialog.

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 13006f5439372fbe0d5c396f485c197b9b6719ed..806a7d19f6da670f9b606b4572e5627c3d8f205b 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -438,8 +438,12 @@ const char kDeleteCache[] = "browser.clear_data.cache";
 const char kDeleteCookies[] = "browser.clear_data.cookies";
 const char kDeletePasswords[] = "browser.clear_data.passwords";
 const char kDeleteFormData[] = "browser.clear_data.form_data";
+const char kDeleteLSOData[] = "browser.clear_data.lso_data";
 const char kDeleteTimePeriod[] = "browser.clear_data.time_period";
 
+// Whether there is a Flash version installed that supports clearing LSO data.
+const char kClearPluginLSODataEnabled[] = "browser.clear_lso_data_enabled";
+
 // Boolean pref to define the default values for using spellchecker.
 const char kEnableSpellCheck[] = "browser.enable_spellchecking";
 
@@ -550,6 +554,11 @@ 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";