Migrate (Network)ErrorScreen to ScreenContext

chrome/browser/chromeos/login/screens/mock_error_screen.cc

Index: chrome/browser/chromeos/login/screens/mock_error_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/mock_error_screen.cc b/chrome/browser/chromeos/login/screens/mock_error_screen.cc
index 5f0ff041962317a38a5908c91b3f8afbe4e5bea7..5d8d6572331f424a89bfe07e62b48d0881f3a3bd 100644
--- a/chrome/browser/chromeos/login/screens/mock_error_screen.cc
+++ b/chrome/browser/chromeos/login/screens/mock_error_screen.cc
@@ -4,20 +4,36 @@
 
 #include "chrome/browser/chromeos/login/screens/mock_error_screen.h"
 
+using ::testing::AtLeast;
+using ::testing::_;
+
 namespace chromeos {
 
 MockErrorScreen::MockErrorScreen(BaseScreenDelegate* base_screen_delegate,
-                                 ErrorScreenActor* actor)
-    : ErrorScreen(base_screen_delegate, actor) {
+                                 NetworkErrorView* view)
+    : ErrorScreen(base_screen_delegate, view) {
 }
 
 MockErrorScreen::~MockErrorScreen() {
 }
 
-MockErrorScreenActor::MockErrorScreenActor() {
+MockNetworkErrorView::MockNetworkErrorView() : model_(nullptr) {
+  EXPECT_CALL(*this, MockBind(_)).Times(AtLeast(1));
+}
+
+MockNetworkErrorView::~MockNetworkErrorView() {
+  if (model_)
+    model_->OnViewDestroyed(this);
+}
+
+void MockNetworkErrorView::Bind(NetworkErrorModel& model) {
+  model_ = &model;
+  MockBind(model);
 }
 
-MockErrorScreenActor::~MockErrorScreenActor() {
+void MockNetworkErrorView::Unbind() {
+  model_ = nullptr;
+  MockUnbind();
 }
 
 }  // namespace chromeos