chromeos: Rename ash::WmShelf to Shelf

ash/system/network/sms_observer_unittest.cc

 // Copyright 2017 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/network/sms_observer.h"
 
 #include "ash/public/interfaces/vpn_list.mojom.h"
-#include "ash/shelf/shelf_widget.h"
-#include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/notification.h"
 #include "ui/message_center/notification_list.h"
 
@@ skipping 105 matching lines @@
     } else if (iter->id().find("chrome://network/sms2") != std::string::npos) {
       EXPECT_EQ(base::ASCIIToUTF16("000-000-0000"), iter->title());
       EXPECT_EQ(base::ASCIIToUTF16("second message"), iter->message());
     } else {
       ASSERT_TRUE(false);
     }
   }
 }
 
 }  // namespace ash