[VR, Permission] Use appopriate type parameters for WebCallbacks (3/3)

public/platform/modules/permissions/WebPermissionClient.h

Index: public/platform/modules/permissions/WebPermissionClient.h
diff --git a/public/platform/modules/permissions/WebPermissionClient.h b/public/platform/modules/permissions/WebPermissionClient.h
index a86a045ab78afc6646e71e8e6636a9306c8c7033..f851050c5d66361073f23d9e1fb9a4b194e76793 100644
--- a/public/platform/modules/permissions/WebPermissionClient.h
+++ b/public/platform/modules/permissions/WebPermissionClient.h
@@ -13,15 +13,7 @@
 
 namespace blink {
 
-class WebPermissionCallback : public WebCallbacks<WebPermissionStatus, void> {
-public:
-    virtual void onSuccess(WebPermissionStatus) = 0;
-    void onSuccess(WebPermissionStatus* r)
-    {
-        onSuccess(*r);
-        delete r;
-    }
-};
+using WebPermissionCallback = WebCallbacks<WebPermissionStatus, void>;
 using WebPermissionsCallback = WebCallbacks<WebPassOwnPtr<WebVector<WebPermissionStatus>>, void>;
 
 class WebPermissionObserver;