Migrate (Network)ErrorScreen to ScreenContext

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

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #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));
 }
 
-MockErrorScreenActor::~MockErrorScreenActor() {
+MockNetworkErrorView::~MockNetworkErrorView() {
+  if (model_)
+    model_->OnViewDestroyed(this);
+}
+
+void MockNetworkErrorView::Bind(NetworkErrorModel& model) {
+  model_ = &model;
+  MockBind(model);
+}
+
+void MockNetworkErrorView::Unbind() {
+  model_ = nullptr;
+  MockUnbind();
 }
 
 }  // namespace chromeos