Do not activate system tray bubble by default

ash/common/system/date/date_default_view.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/system/date/date_default_view.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/metrics/user_metrics_action.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/system/date/date_view.h"
 #include "ash/common/system/tray/special_popup_row.h"
+#include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_popup_header_button.h"
 #include "ash/common/wm_shell.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "base/i18n/rtl.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/paint_vector_icon.h"
@@ skipping 12 matching lines @@
 // The ISO-639 code for the Hebrew locale. The help icon asset is a '?' which is
 // not mirrored in this locale.
 const char kHebrewLocale[] = "he";
 
 const int kPaddingVertical = 19;
 
 }  // namespace
 
 namespace ash {
 
-DateDefaultView::DateDefaultView(LoginStatus login)
-    : help_button_(NULL),
-      shutdown_button_(NULL),
-      lock_button_(NULL),
-      date_view_(NULL),
+DateDefaultView::DateDefaultView(SystemTrayItem* owner, LoginStatus login)
+    : help_button_(nullptr),
+      shutdown_button_(nullptr),
+      lock_button_(nullptr),
+      date_view_(nullptr),
       weak_factory_(this) {
   SetLayoutManager(new views::FillLayout);
 
-  date_view_ = new tray::DateView();
+  date_view_ = new tray::DateView(owner);
   date_view_->SetBorder(views::Border::CreateEmptyBorder(
       kPaddingVertical, ash::kTrayPopupPaddingHorizontal, 0, 0));
   SpecialPopupRow* view = new SpecialPopupRow();
   view->SetContent(date_view_);
   AddChildView(view);
 
   WmShell* shell = WmShell::Get();
   const bool adding_user =
       shell->GetSessionStateDelegate()->IsInSecondaryLoginScreen();
 
@@ skipping 96 matching lines @@
   } else if (sender == lock_button_) {
     shell->RecordUserMetricsAction(UMA_TRAY_LOCK_SCREEN);
 #if defined(OS_CHROMEOS)
     chromeos::DBusThreadManager::Get()
         ->GetSessionManagerClient()
         ->RequestLockScreen();
 #endif
   } else {
     NOTREACHED();
   }
+  date_view_->CloseSystemBubble();
 }
 
 void DateDefaultView::OnShutdownPolicyChanged(bool reboot_on_shutdown) {
   if (!shutdown_button_)
     return;
 
   shutdown_button_->SetTooltipText(l10n_util::GetStringUTF16(
       reboot_on_shutdown ? IDS_ASH_STATUS_TRAY_REBOOT
                          : IDS_ASH_STATUS_TRAY_SHUTDOWN));
 }
 
 }  // namespace ash