Remove OnOptInChanged callback.

chrome/browser/chromeos/extensions/gfx_utils.cc

Index: chrome/browser/chromeos/extensions/gfx_utils.cc
diff --git a/chrome/browser/chromeos/extensions/gfx_utils.cc b/chrome/browser/chromeos/extensions/gfx_utils.cc
index d723dfadae7a8e6573eb57f35ce6b0d448ef64a8..a9ec35ad0d7ecb708f840da63215703fc94b3d08 100644
--- a/chrome/browser/chromeos/extensions/gfx_utils.cc
+++ b/chrome/browser/chromeos/extensions/gfx_utils.cc
@@ -5,8 +5,6 @@
 #include "chrome/browser/chromeos/extensions/gfx_utils.h"
 
 #include "base/lazy_instance.h"
-#include "chrome/browser/chromeos/arc/arc_auth_service.h"
-#include "chrome/browser/chromeos/arc/arc_support_host.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
@@ -194,13 +192,6 @@ void MaybeApplyChromeBadge(content::BrowserContext* context,
     return;
   }
 
-  arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
-  // Only apply Chrome badge when ARC service is enabled.
-  if (!arc_auth_service ||
-      arc_auth_service->state() != arc::ArcAuthService::State::ACTIVE) {
-    return;
-  }
-
   const ExtensionRegistry* registry = ExtensionRegistry::Get(context);
   if (!registry || !registry->GetInstalledExtension(extension_id))
     return;