chromeos: Remove OS ifdefs from ash/common/system/tray

ash/common/system/tray/tray_notification_view.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/common/system/tray/tray_notification_view.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/resources/vector_icons/vector_icons.h"
@@ skipping 11 matching lines @@
 
 namespace {
 
 // Maps a non-MD PNG resource id to its corresponding MD vector icon.
 // TODO(tdanderson): Remove this once material design is enabled by
 // default. See crbug.com/614453.
 const gfx::VectorIcon& ResourceIdToVectorIcon(int resource_id) {
   switch (resource_id) {
     case IDR_AURA_UBER_TRAY_ACCESSIBILITY_DARK:
       return kSystemMenuAccessibilityIcon;
-#if defined(OS_CHROMEOS)
     case IDR_AURA_UBER_TRAY_SMS:
       return kSystemMenuSmsIcon;
-#endif
     default:
       NOTREACHED();
       break;
   }
 
   return gfx::kNoneIcon;
 }
 
 }  // namespace
 
@@ skipping 119 matching lines @@
   OnClose();
   owner_->HideNotificationView();
 }
 
 void TrayNotificationView::HandleClickAction() {
   HandleClose();
   OnClickAction();
 }
 
 }  // namespace ash