Remove dead code related to Notification View Bubble

ash/common/system/status_area_widget.cc

Index: ash/common/system/status_area_widget.cc
diff --git a/ash/common/system/status_area_widget.cc b/ash/common/system/status_area_widget.cc
index c091e7a4332a8137dea744374785d06c981889e5..99059646443daeb5db773baaaab2ab651902c7d9 100644
--- a/ash/common/system/status_area_widget.cc
+++ b/ash/common/system/status_area_widget.cc
@@ -148,9 +148,7 @@ bool StatusAreaWidget::ShouldShowShelf() const {
 
   // If the shelf is currently visible, don't hide the shelf if the mouse
   // is in any of the notification bubbles.
-  return (system_tray_ && system_tray_->IsMouseInNotificationBubble()) ||
-         (web_notification_tray_ &&
-          web_notification_tray_->IsMouseInNotificationBubble());
+  return (system_tray_ && system_tray_->IsMouseInNotificationBubble());

[James Cook, 2017/01/23 17:11:01]

nit: no parens

[yiyix, 2017/01/23 21:15:33]

Done.

 }
 
 bool StatusAreaWidget::IsMessageBubbleShown() const {