[fuchsia-pkg] AppWidget use urls

TESTED=cq

CF-156 #comment

Change-Id: Ic0ff63ce675576a4339ad56c67392ff8c98ee5d4
diff --git a/bin/userpicker_base_shell/lib/main.dart b/bin/userpicker_base_shell/lib/main.dart
index de7473e..741594d 100644
--- a/bin/userpicker_base_shell/lib/main.dart
+++ b/bin/userpicker_base_shell/lib/main.dart
@@ -108,7 +108,7 @@
             model: wifiInfoOverlayModel,
             child: new _WifiInfo(
               wifiWidget: new ApplicationWidget(
-                url: 'wifi_settings',
+                url: 'fuchsia-pkg://fuchsia.com/wifi_settings#meta/wifi_settings.cmx',
                 launcher: startupContext.launcher,
               ),
             ),
diff --git a/lib/keyboard/flutter/lib/src/keyboard_container.dart b/lib/keyboard/flutter/lib/src/keyboard_container.dart
index 0717c73..c3382d8 100644
--- a/lib/keyboard/flutter/lib/src/keyboard_container.dart
+++ b/lib/keyboard/flutter/lib/src/keyboard_container.dart
@@ -66,7 +66,7 @@
               top: const Radius.circular(_kKeyboardCornerRadius)),
           elevation: elevation ?? model.keyboardElevation,
           child: ApplicationWidget(
-            url: 'latin-ime',
+            url: 'fuchsia-pkg://fuchsia.com/latin-ime#meta/latin-ime.cmx',
             focusable: false,
             launcher: StartupContext.fromStartupInfo().launcher,
           ),