ash: Rename tray_views.{h,cc} to tray_utils.{h,cc}

ash/system/tray/tray_image_item.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/tray_image_item.h"
 
 #include "ash/system/tray/tray_item_view.h"
-#include "ash/system/tray/tray_views.h"
+#include "ash/system/tray/tray_utils.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/layout/fill_layout.h"
 
 namespace ash {
 namespace internal {
 
 TrayImageItem::TrayImageItem(SystemTray* system_tray, int resource_id)
     : SystemTrayItem(system_tray),
@@ skipping 45 matching lines @@
 }
 
 void TrayImageItem::DestroyDefaultView() {
 }
 
 void TrayImageItem::DestroyDetailedView() {
 }
 
 }  // namespace internal
 }  // namespace ash