Remote tabs: finishing touches

App/Tabs/TabInfo.swift

@@ -8,14 +8,21 @@
 import Foundation
 import Combine
 
-struct TabInfo
+struct TabInfo: Codable, Hashable
 {
     public var title:       String?
-    public var url:         URL?
-    public var favicon:     UIImage?
+    public var urlString:   String?
+    public var faviconData: Data?
     public var identifier = UUID()
     
     public static func ==(lhs: TabInfo, rhs: TabInfo) -> Bool {
         return lhs.identifier == rhs.identifier
     }
+    
+    enum CodingKeys: String, CodingKey {
+        case title
+        case urlString = "url"
+        case faviconData
+        case identifier
+    }
 }