Remote tabs: finishing touches

App/Tabs/Tab.swift

@@ -21,8 +21,8 @@ class Tab: NSObject, SBRProcessBundleBridgeDelegate
         get {
             TabInfo(
                 title: loadedWebView?.title,
-                url: loadedWebView?.url ?? self.homeURL,
-                favicon: self.favicon,
+                urlString: loadedWebView?.url?.absoluteString ?? self.homeURL?.absoluteString,
+                faviconData: self.favicon?.pngData(),
                 identifier: self.identifier
             )
         }
@@ -45,7 +45,15 @@ class Tab: NSObject, SBRProcessBundleBridgeDelegate
     
     private var loadedWebView: WKWebView? = nil
     public var title: String? { get { tabInfo.title } }
-    public var url: URL?      { get { tabInfo.url } }
+    public var url: URL? {
+        get {
+            if let urlString = tabInfo.urlString {
+                return URL(string: urlString)
+            }
+            
+            return nil
+        }
+    }
     
     public var javaScriptEnabled: Bool = false {
         didSet { bridge.allowAllScripts = javaScriptEnabled }