Revert 199625 "Remove ENABLE_MESSAGE_CENTER"

trunk/src/ui/message_center/message_center_util.cc

Index: trunk/src/ui/message_center/message_center_util.cc
===================================================================
--- trunk/src/ui/message_center/message_center_util.cc	(revision 199638)
+++ trunk/src/ui/message_center/message_center_util.cc	(working copy)
@@ -13,23 +13,17 @@
 // when a time period in Canary indicates the new notifications are acceptable
 // for default behavior.
 bool IsRichNotificationEnabled() {
-#if !defined(OS_WIN) && !defined(OS_MACOSX) && !defined(USE_ASH)
-  return false;
-#endif
-
   if (CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kDisableRichNotifications))
     return false;
   if (CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableRichNotifications))
     return true;
-
-// Not enabled by default on Mac yet.
 #if defined(OS_MACOSX)
   return false;
-#endif
-
+#else
   return true;
+#endif
 }
 
 }  // namespace message_center