Revert of Removed dependency on the UI from the NetworkPortalDetector.

chrome/browser/chromeos/net/network_portal_detector_impl_unittest.cc

Index: chrome/browser/chromeos/net/network_portal_detector_impl_unittest.cc
diff --git a/chrome/browser/chromeos/net/network_portal_detector_impl_unittest.cc b/chrome/browser/chromeos/net/network_portal_detector_impl_unittest.cc
index d83eaae3ea06596dfc62c10ddec2bd7902e75bc3..20fb4b901aae2d9307c7ccda1ab66d047719a5a2 100644
--- a/chrome/browser/chromeos/net/network_portal_detector_impl_unittest.cc
+++ b/chrome/browser/chromeos/net/network_portal_detector_impl_unittest.cc
@@ -14,7 +14,6 @@
 #include "base/metrics/statistics_recorder.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chromeos/net/network_portal_detector_impl.h"
-#include "chrome/browser/chromeos/net/network_portal_detector_strategy.h"
 #include "chrome/browser/chromeos/net/network_portal_detector_test_utils.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chromeos/chromeos_switches.h"
@@ -135,13 +134,11 @@
   }
 
   void enable_error_screen_strategy() {
-    network_portal_detector()->SetStrategy(
-        PortalDetectorStrategy::STRATEGY_ID_ERROR_SCREEN);
+    network_portal_detector()->OnErrorScreenShow();
   }
 
   void disable_error_screen_strategy() {
-    network_portal_detector()->SetStrategy(
-        PortalDetectorStrategy::STRATEGY_ID_LOGIN_SCREEN);
+    network_portal_detector()->OnErrorScreenHide();
   }
 
   void stop_detection() { network_portal_detector()->StopDetection(); }