ash: Move "WiFi is turned on." buble to the notification center.

ash/system/system_notifier.cc

Index: ash/system/system_notifier.cc
diff --git a/ash/system/system_notifier.cc b/ash/system/system_notifier.cc
index 9e52f94990f8abf0ebf47758ecb9c6c9c55ac02f..09bb4747b96d74811a2011795b2f9e5284b16082 100644
--- a/ash/system/system_notifier.cc
+++ b/ash/system/system_notifier.cc
@@ -32,7 +32,7 @@ const char* kAshSystemNotifiers[] = {
     kNotifierDisk, kNotifierLocale, kNotifierMultiProfileFirstRun,
     kNotifierNetwork, kNotifierNetworkPortalDetector, kNotifierScreenshot,
     kNotifierScreenCapture, kNotifierScreenShare, kNotifierSessionLengthTimeout,
-    kNotifierSupervisedUser, kNotifierWebUsb, kNotifierSms,
+    kNotifierSms, kNotifierSupervisedUser, kNotifierWebUsb, kNotifierWifiToggle,
     // Note: Order doesn't matter here, so keep this in alphabetic order, don't
     // just add your stuff at the end!
     NULL};
@@ -77,6 +77,7 @@ const char kNotifierSessionLengthTimeout[] = "ash.session-length-timeout";
 const char kNotifierSms[] = "ash.sms";
 const char kNotifierSupervisedUser[] = "ash.locally-managed-user";
 const char kNotifierWebUsb[] = "ash.webusb";
+const char kNotifierWifiToggle[] = "ash.wifi-toggle";
 
 bool ShouldAlwaysShowPopups(const message_center::NotifierId& notifier_id) {
   return MatchSystemNotifierId(notifier_id, kAlwaysShownSystemNotifierIds);