Re-factor TraySms to use ash::SmsObserver instead of NetoworkSmsHandler.

ash/system/tray/system_tray.h

 // 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.
 
 #ifndef ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_
 #pragma once
 
 #include "ash/ash_export.h"
 #include "ash/system/power/power_supply_status.h"
@@ skipping 14 matching lines @@
 class AccessibilityObserver;
 class AudioObserver;
 class BluetoothObserver;
 class BrightnessObserver;
 class CapsLockObserver;
 class ClockObserver;
 class DriveObserver;
 class IMEObserver;
 class LocaleObserver;
 class NetworkObserver;
+class SmsObserver;
 class PowerStatusObserver;
 class UpdateObserver;
 class UserObserver;
 
 class SystemTrayItem;
 
 namespace internal {
 class SystemTrayBubble;
 class SystemTrayContainer;
 class SystemTrayLayerAnimationObserver;
@@ skipping 88 matching lines @@
   }
   LocaleObserver* locale_observer() const {
     return locale_observer_;
   }
   NetworkObserver* network_observer() const {
     return network_observer_;
   }
   ObserverList<PowerStatusObserver>& power_status_observers() {
     return power_status_observers_;
   }
+  SmsObserver* sms_observer() const {
+    return sms_observer_;
+  }
   UpdateObserver* update_observer() const {
     return update_observer_;
   }
   UserObserver* user_observer() const {
     return user_observer_;
   }
 
   // Accessors for testing.
 
   // Returns true if the bubble exists.
@@ skipping 68 matching lines @@
   AudioObserver* audio_observer_;
   BluetoothObserver* bluetooth_observer_;
   BrightnessObserver* brightness_observer_;
   CapsLockObserver* caps_lock_observer_;
   ClockObserver* clock_observer_;
   DriveObserver* drive_observer_;
   IMEObserver* ime_observer_;
   LocaleObserver* locale_observer_;
   NetworkObserver* network_observer_;
   ObserverList<PowerStatusObserver> power_status_observers_;
+  SmsObserver* sms_observer_;
   UpdateObserver* update_observer_;
   UserObserver* user_observer_;
 
   // Bubble for default and detailed views.
   scoped_ptr<internal::SystemTrayBubble> bubble_;
 
   // Buble for notifications.
   scoped_ptr<internal::SystemTrayBubble> notification_bubble_;
 
   // See description agove getter.
   bool should_show_launcher_;
 
   scoped_ptr<internal::SystemTrayLayerAnimationObserver>
       layer_animation_observer_;
 
   // Keep track of the default view height so that when we create detailed
   // views directly (e.g. from a notification) we know what height to use.
   int default_bubble_height_;
 
   // Set to true when system notifications should be hidden (e.g. web
   // notification bubble is visible).
   bool hide_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_