sync: take two for: "Added classes to enable session sync...

chrome/common/chrome_switches.h

Index: chrome/common/chrome_switches.h
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index 1c6c116d0fbf04b41098c94dafe201db672bc35b..9591d5c05705bf8779ff9c8370b758b8fde1d114 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -87,6 +87,7 @@ extern const char kDisableSyncPasswords[];
 extern const char kDisableSyncPreferences[];
 extern const char kDisableSyncThemes[];
 extern const char kDisableSyncTypedUrls[];
+extern const char kDisableSyncSessions[];
 extern const char kDisableTabCloseableStateWatcher[];
 extern const char kDisableWebResources[];
 extern const char kDisableWebSecurity[];
@@ -140,6 +141,7 @@ extern const char kEnableSyncBookmarks[];
 extern const char kEnableSyncExtensions[];
 extern const char kEnableSyncPasswords[];
 extern const char kEnableSyncPreferences[];
+extern const char kEnableSyncSessions[];
 extern const char kEnableSyncThemes[];
 extern const char kEnableSyncTypedUrls[];
 extern const char kEnableTabbedOptions[];