Revert of Disable the image notification property on MacOS

chrome/browser/notifications/platform_notification_service_interactive_uitest.cc

 // Copyright 2014 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 <memory>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
@@ skipping 333 matching lines @@
   EXPECT_EQ("ok", script_result);
 
   ASSERT_EQ(2u, ui_manager()->GetNotificationCount());
 
   // We don't use or check the notification's direction and language.
   const Notification& all_options_notification =
       ui_manager()->GetNotificationAt(1);
   EXPECT_EQ("Title", base::UTF16ToUTF8(all_options_notification.title()));
   EXPECT_EQ("Contents", base::UTF16ToUTF8(all_options_notification.message()));
   EXPECT_EQ("replace-id", all_options_notification.tag());
-#if !defined(OS_MACOSX)
   EXPECT_FALSE(all_options_notification.image().IsEmpty());
   EXPECT_EQ(kIconWidth, all_options_notification.image().Width());
   EXPECT_EQ(kIconHeight, all_options_notification.image().Height());
-#endif
   EXPECT_FALSE(all_options_notification.icon().IsEmpty());
   EXPECT_EQ(kIconWidth, all_options_notification.icon().Width());
   EXPECT_EQ(kIconHeight, all_options_notification.icon().Height());
   EXPECT_TRUE(all_options_notification.small_image().IsEmpty());
   EXPECT_TRUE(all_options_notification.renotify());
   EXPECT_TRUE(all_options_notification.silent());
   EXPECT_TRUE(all_options_notification.never_timeout());
   EXPECT_DOUBLE_EQ(kNotificationTimestamp,
                    all_options_notification.timestamp().ToJsTime());
   EXPECT_EQ(1u, all_options_notification.buttons().size());
@@ skipping 474 matching lines @@
       RunScript("DisplayPersistentAllOptionsNotification()", &script_result));
   EXPECT_EQ("ok", script_result);
 
   ASSERT_EQ(1u, ui_manager()->GetNotificationCount());
   const Notification& notification = ui_manager()->GetNotificationAt(0);
 
   // Since the kNotificationContentImage kill switch has disabled images, the
   // notification should be shown without an image.
   EXPECT_TRUE(notification.image().IsEmpty());
 }