Reland: cros: Show notification when low-power charger connected

ash/system/tray/system_tray.cc

 // Copyright (c) 2012 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/system/tray/system_tray.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell/panel_window.h"
@@ skipping 40 matching lines @@
 #include "ash/system/chromeos/enterprise/tray_enterprise.h"
 #include "ash/system/chromeos/managed/tray_locally_managed_user.h"
 #include "ash/system/chromeos/network/tray_network.h"
 #include "ash/system/chromeos/network/tray_sms.h"
 #include "ash/system/chromeos/network/tray_vpn.h"
 #include "ash/system/chromeos/power/tray_power.h"
 #include "ash/system/chromeos/screen_security/screen_capture_tray_item.h"
 #include "ash/system/chromeos/screen_security/screen_share_tray_item.h"
 #include "ash/system/chromeos/settings/tray_settings.h"
 #include "ash/system/chromeos/tray_display.h"
+#include "ui/message_center/message_center.h"
 #endif
 
 using views::TrayBubbleView;
 
 namespace ash {
 
 // The minimum width of the system tray menu width.
 const int kMinimumSystemTrayMenuWidth = 300;
 
 namespace internal {
@@ skipping 42 matching lines @@
 }  // namespace internal
 
 // SystemTray
 
 using internal::SystemTrayBubble;
 
 SystemTray::SystemTray(internal::StatusAreaWidget* status_area_widget)
     : internal::TrayBackgroundView(status_area_widget),
       items_(),
       default_bubble_height_(0),
-      hide_notifications_(false) {
+      hide_notifications_(false),
+      tray_accessibility_(NULL) {
   SetContentsBackground();
 }
 
 SystemTray::~SystemTray() {
   // Destroy any child views that might have back pointers before ~View().
   system_bubble_.reset();
   notification_bubble_.reset();
   for (std::vector<SystemTrayItem*>::iterator it = items_.begin();
        it != items_.end();
        ++it) {
@@ skipping 23 matching lines @@
 
 #endif
 #if defined(OS_CHROMEOS)
   AddTrayItem(new internal::TrayEnterprise(this));
   AddTrayItem(new internal::TrayLocallyManagedUser(this));
 #endif
   AddTrayItem(new internal::TrayIME(this));
   tray_accessibility_ = new internal::TrayAccessibility(this);
   AddTrayItem(tray_accessibility_);
 #if defined(OS_CHROMEOS)
-  AddTrayItem(new internal::TrayPower(this));
+  AddTrayItem(
+      new internal::TrayPower(this, message_center::MessageCenter::Get()));
 #endif
 #if defined(OS_CHROMEOS)
   AddTrayItem(new internal::TrayNetwork(this));
   AddTrayItem(new internal::TrayVPN(this));
   AddTrayItem(new internal::TraySms(this));
 #endif
 #if !defined(OS_WIN)
   AddTrayItem(new internal::TrayBluetooth(this));
 #endif
   AddTrayItem(new internal::TrayDrive(this));
@@ skipping 412 matching lines @@
         ConvertPointToWidget(this, &point);
         arrow_offset = point.x();
       }
     }
     ShowDefaultViewWithOffset(BUBBLE_CREATE_NEW, arrow_offset);
   }
   return true;
 }
 
 }  // namespace ash