Fetch OAuth2 tokens prior to profile creation.

chrome/browser/chromeos/login/saml/saml_browsertest.cc

Index: chrome/browser/chromeos/login/saml/saml_browsertest.cc
diff --git a/chrome/browser/chromeos/login/saml/saml_browsertest.cc b/chrome/browser/chromeos/login/saml/saml_browsertest.cc
index e8ccd065e593663ee6d5e68ab9e4373627f5a45b..593073422f37fcf657aac2e21425e0240718bf67 100644
--- a/chrome/browser/chromeos/login/saml/saml_browsertest.cc
+++ b/chrome/browser/chromeos/login/saml/saml_browsertest.cc
@@ -51,6 +51,7 @@
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/fake_session_manager_client.h"
 #include "chromeos/dbus/session_manager_client.h"
+#include "chromeos/dbus/shill_manager_client.h"
 #include "chromeos/settings/cros_settings_names.h"
 #include "components/policy/core/browser/browser_policy_connector.h"
 #include "components/policy/core/common/mock_configuration_policy_provider.h"
@@ -926,6 +927,12 @@ void SAMLPolicyTest::SetUpOnMainThread() {
   user_manager::UserManager::Get()->SaveUserOAuthStatus(
       kDifferentDomainSAMLUserEmail,
       user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
+
+  // Set up fake networks.
+  DBusThreadManager::Get()
+      ->GetShillManagerClient()
+      ->GetTestInterface()
+      ->SetupDefaultEnvironment();
 }
 
 void SAMLPolicyTest::SetSAMLOfflineSigninTimeLimitPolicy(int limit) {