Revert of Removed dependency on the UI from the NetworkPortalDetector.

chrome/browser/chromeos/login/user_manager_impl.cc

Index: chrome/browser/chromeos/login/user_manager_impl.cc
diff --git a/chrome/browser/chromeos/login/user_manager_impl.cc b/chrome/browser/chromeos/login/user_manager_impl.cc
index f9c557bc560a96f9f3299be05488e695ee07ca51..7f27162939a9bfc15504455f5649e9d745ee8804 100644
--- a/chrome/browser/chromeos/login/user_manager_impl.cc
+++ b/chrome/browser/chromeos/login/user_manager_impl.cc
@@ -40,8 +40,6 @@
 #include "chrome/browser/chromeos/login/supervised_user_manager_impl.h"
 #include "chrome/browser/chromeos/login/user_image_manager_impl.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
-#include "chrome/browser/chromeos/net/network_portal_detector.h"
-#include "chrome/browser/chromeos/net/network_portal_detector_strategy.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/policy/device_local_account.h"
 #include "chrome/browser/chromeos/profiles/multiprofiles_session_aborted_dialog.h"
@@ -1572,11 +1570,6 @@
     // Indicate to DeviceSettingsService that the owner key may have become
     // available.
     DeviceSettingsService::Get()->SetUsername(active_user_->email());
-
-    if (NetworkPortalDetector::IsInitialized()) {
-      NetworkPortalDetector::Get()->SetStrategy(
-          PortalDetectorStrategy::STRATEGY_ID_SESSION);
-    }
   }
 }