Fix autoupdate_EndToEndTest on veyron_rialto

chrome/browser/chromeos/BUILD.gn

Index: chrome/browser/chromeos/BUILD.gn
diff --git a/chrome/browser/chromeos/BUILD.gn b/chrome/browser/chromeos/BUILD.gn
index 06ee0594e5c8bf822150ddca59687eac6232fa05..ad591dc3ce990d839cdbc3e8612165d2cb0104ca 100644
--- a/chrome/browser/chromeos/BUILD.gn
+++ b/chrome/browser/chromeos/BUILD.gn
@@ -1510,12 +1510,19 @@ static_library("test_support") {
     "login/enrollment/enterprise_enrollment_helper_mock.h",
     "login/enrollment/mock_enrollment_screen.cc",
     "login/enrollment/mock_enrollment_screen.h",
+    "login/mock_network_state_helper.cc",
+    "login/mock_network_state_helper.h",
     "login/screens/mock_base_screen_delegate.cc",
     "login/screens/mock_base_screen_delegate.h",
+    "login/screens/mock_model_view_channel.cc",
+    "login/screens/mock_model_view_channel.h",
+    "login/screens/mock_network_screen.cc",
+    "login/screens/mock_network_screen.h",
   ]
 
   deps = [
     "//components/policy/proto",
+    "//skia",
     "//testing/gmock",
   ]
 }
@@ -1660,6 +1667,7 @@ source_set("unit_tests") {
     "login/quick_unlock/pin_storage_unittest.cc",
     "login/quick_unlock/quick_unlock_storage_unittest.cc",
     "login/saml/saml_offline_signin_limiter_unittest.cc",
+    "login/screens/network_screen_unittest.cc",
     "login/signin/merge_session_load_page_unittest.cc",
     "login/supervised/supervised_user_authentication_unittest.cc",
     "login/users/affiliation_unittest.cc",