Stop using shell::GetInstance()->system_tray() in system tray items

ash/system/chromeos/network/tray_sms.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/chromeos/network/tray_sms.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/tray_constants.h"
@@ skipping 276 matching lines @@
 TraySms::~TraySms() {
 }
 
 views::View* TraySms::CreateDefaultView(user::LoginStatus status) {
   CHECK(default_ == NULL);
   default_ = new SmsDefaultView(this);
   default_->SetVisible(!messages_.empty());
   return default_;
 }
 
-views::View* TraySms::CreateDetailedView(user::LoginStatus status) {
+views::View* TraySms::CreateDetailedView(user::LoginStatus status,
+                                         int bubble_width) {
   CHECK(detailed_ == NULL);
   HideNotificationView();
   if (messages_.empty())
     return NULL;
   detailed_ = new SmsDetailedView(this);
   return detailed_;
 }
 
 views::View* TraySms::CreateNotificationView(user::LoginStatus status) {
   CHECK(notification_ == NULL);
@@ skipping 61 matching lines @@
       if (GetLatestMessage(&index, &number, &text))
         notification_->Update(index, number, text);
     } else if (notify) {
       ShowNotificationView();
     }
   }
 }
 
 }  // namespace internal
 }  // namespace ash