Use new Activity Result APIs

app/src/main/java/com/hippo/network/CookieRepository.java

@@ -48,8 +48,8 @@ public class CookieRepository implements CookieJar {
      * verification).
      */
     private static final Pattern VERIFY_AS_IP_ADDRESS = Pattern.compile("([0-9a-fA-F]*:[0-9a-fA-F:.]*)|([\\d.]+)");
-    private CookieDatabase db;
-    private Map<String, CookieSet> map;
+    private final CookieDatabase db;
+    private final Map<String, CookieSet> map;
 
     public CookieRepository(Context context, String name) {
         db = new CookieDatabase(context, name);

app/src/main/java/com/hippo/network/CookieSet.java

@@ -33,7 +33,7 @@ import okhttp3.HttpUrl;
 
 class CookieSet {
 
-    private Map<Key, Cookie> map = new HashMap<>();
+    private final Map<Key, Cookie> map = new HashMap<>();
 
     /**
      * Adds a cookie to this {@code CookieSet}.
@@ -72,9 +72,9 @@ class CookieSet {
 
     static class Key {
 
-        private String name;
-        private String domain;
-        private String path;
+        private final String name;
+        private final String domain;
+        private final String path;
 
         public Key(Cookie cookie) {
             this.name = cookie.name();