Check DeviceSettingsService is intialized before using.

chrome/browser/chromeos/policy/browser_policy_connector_chromeos.cc

Index: chrome/browser/chromeos/policy/browser_policy_connector_chromeos.cc
diff --git a/chrome/browser/chromeos/policy/browser_policy_connector_chromeos.cc b/chrome/browser/chromeos/policy/browser_policy_connector_chromeos.cc
index 1fd7393b3901408a43467f76d5f0bb8ae4329fa3..42a86a318feb39aece5335dc98fac0f0388bd9aa 100644
--- a/chrome/browser/chromeos/policy/browser_policy_connector_chromeos.cc
+++ b/chrome/browser/chromeos/policy/browser_policy_connector_chromeos.cc
@@ -93,7 +93,8 @@ BrowserPolicyConnectorChromeOS::BrowserPolicyConnectorChromeOS()
   // TODO(satorux): Remove SystemSaltGetter::IsInitialized() when it's ready
   // (removing it now breaks tests). crbug.com/141016.
   if (chromeos::SystemSaltGetter::IsInitialized() &&
-      chromeos::DBusThreadManager::IsInitialized()) {
+      chromeos::DBusThreadManager::IsInitialized() &&
+      chromeos::DeviceSettingsService::IsInitialized()) {
     // Don't initialize install attributes if g_testing_install_attributes have
     // been injected.
     if (!install_attributes_) {