Remove ShouldBlockShelfAutoHide().

ash/system/status_area_widget.cc

Index: ash/system/status_area_widget.cc
diff --git a/ash/system/status_area_widget.cc b/ash/system/status_area_widget.cc
index 232602fce50975e722e99fc66746e2f1571077f9..13967cf7bb65cf9a1f017ecd3be0063642eeec62 100644
--- a/ash/system/status_area_widget.cc
+++ b/ash/system/status_area_widget.cc
@@ -136,18 +136,8 @@ void StatusAreaWidget::UpdateAfterLoginStatusChange(LoginStatus login_status) {
 }
 
 bool StatusAreaWidget::ShouldShowShelf() const {
-  if ((system_tray_ && system_tray_->ShouldShowShelf()) ||
-      (web_notification_tray_ &&
-       web_notification_tray_->ShouldBlockShelfAutoHide()))
-    return true;
-
-  if (palette_tray_ && palette_tray_->ShouldBlockShelfAutoHide())
-    return true;
-
-  if (ime_menu_tray_ && ime_menu_tray_->ShouldBlockShelfAutoHide())
-    return true;
-
-  return false;
+  return (system_tray_ && system_tray_->ShouldShowShelf()) ||
+         views::TrayBubbleView::IsATrayBubbleOpen();
 }
 
 bool StatusAreaWidget::IsMessageBubbleShown() const {