Revert of Fix the settings button and UMA metrics for the message center

chrome/browser/notifications/web_notification_delegate.cc

Index: chrome/browser/notifications/web_notification_delegate.cc
diff --git a/chrome/browser/notifications/web_notification_delegate.cc b/chrome/browser/notifications/web_notification_delegate.cc
index 86671a5d043199e7aec7122fa882429179c15b2d..b1ed063c9b65e801554e8e705886e03e266bccf6 100644
--- a/chrome/browser/notifications/web_notification_delegate.cc
+++ b/chrome/browser/notifications/web_notification_delegate.cc
@@ -42,13 +42,8 @@
   return notification_id_;
 }
 
-bool WebNotificationDelegate::SettingsClick() {
-#if !defined(OS_CHROMEOS)
+void WebNotificationDelegate::SettingsClick() {
   NotificationCommon::OpenNotificationSettings(browser_context_);
-  return true;
-#else
-  return false;
-#endif
 }
 
 bool WebNotificationDelegate::ShouldDisplaySettingsButton() {