Provide error page for age gated profiles

src/lib/constants.js

@@ -100,11 +100,15 @@ let constants = {
 		TYPE_GALLERY_IMAGE: Symbol("TYPE_GALLERY_IMAGE"),
 		TYPE_GALLERY_VIDEO: Symbol("TYPE_GALLERY_VIDEO"),
 		NOT_FOUND: Symbol("NOT_FOUND"),
-		NO_SHARED_DATA: Symbol("NO_SHARED_DATA"),
 		INSTAGRAM_DEMANDS_LOGIN: Symbol("INSTAGRAM_DEMANDS_LOGIN"),
 		RATE_LIMITED: Symbol("RATE_LIMITED"),
 		ENDPOINT_OVERRIDDEN: Symbol("ENDPOINT_OVERRIDDEN"),
 		NO_ASSISTANTS_AVAILABLE: Symbol("NO_ASSISTANTS_AVAILABLE"),
+		extractor_results: {
+			SUCCESS: Symbol("SUCCESS"),
+			AGE_RESTRICTED: Symbol("AGE_RESTRICTED"),
+			NO_SHARED_DATA: Symbol("NO_SHARED_DATA")
+		},
 		assistant_statuses: {
 			OFFLINE: Symbol("OFFLINE"),
 			BLOCKED: Symbol("BLOCKED"),