cros: Fold NetworkModel into NetworkScreen

chrome/browser/chromeos/login/screens/mock_network_screen.h

Index: chrome/browser/chromeos/login/screens/mock_network_screen.h
diff --git a/chrome/browser/chromeos/login/screens/mock_network_screen.h b/chrome/browser/chromeos/login/screens/mock_network_screen.h
index 06bd599e74f2d5efd9a2d90f91a8055618cdee91..965d62433b527fcb736617e9aadec57afe05d044 100644
--- a/chrome/browser/chromeos/login/screens/mock_network_screen.h
+++ b/chrome/browser/chromeos/login/screens/mock_network_screen.h
@@ -28,10 +28,10 @@ class MockNetworkView : public NetworkView {
   MockNetworkView();
   ~MockNetworkView() override;
 
-  void Bind(NetworkModel& model) override;
+  void Bind(NetworkScreen* screen) override;
   void Unbind() override;
 
-  MOCK_METHOD1(MockBind, void(NetworkModel& model));
+  MOCK_METHOD1(MockBind, void(NetworkScreen* screen));
   MOCK_METHOD0(MockUnbind, void());
   MOCK_METHOD0(Show, void());
   MOCK_METHOD0(Hide, void());
@@ -44,7 +44,7 @@ class MockNetworkView : public NetworkView {
   MOCK_METHOD0(ReloadLocalizedContent, void());
 
  private:
-  NetworkModel* model_;
+  NetworkScreen* screen_ = nullptr;
 };
 
 }  // namespace chromeos