Revert of Disable the image notification property on MacOS

chrome/browser/notifications/platform_notification_service_interactive_uitest.cc

Index: chrome/browser/notifications/platform_notification_service_interactive_uitest.cc
diff --git a/chrome/browser/notifications/platform_notification_service_interactive_uitest.cc b/chrome/browser/notifications/platform_notification_service_interactive_uitest.cc
index dae163b3b44ad133d99abe80ca53b944d4a848bf..b454f6d9febbb992222e770c156cee8aee7854eb 100644
--- a/chrome/browser/notifications/platform_notification_service_interactive_uitest.cc
+++ b/chrome/browser/notifications/platform_notification_service_interactive_uitest.cc
@@ -351,11 +351,9 @@
   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());