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

ash/system/power/tray_power.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/power/tray_power.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/system/date/date_view.h"
 #include "ash/system/power/power_status_view.h"
 #include "ash/system/power/power_supply_status.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_notification_view.h"
-#include "ash/system/tray/tray_views.h"
+#include "ash/system/tray/tray_utils.h"
 #include "base/command_line.h"
 #include "base/stringprintf.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "third_party/icu/public/i18n/unicode/fieldpos.h"
 #include "third_party/icu/public/i18n/unicode/fmtable.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "ui/base/accessibility/accessible_view_state.h"
@@ skipping 329 matching lines @@
       return false;
     case NOTIFICATION_CRITICAL:
       return false;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace internal
 }  // namespace ash