[chromeos] Remove dependencies of StatisticsProvider on chrome.

chrome/browser/chromeos/login/wizard_controller.cc

Index: chrome/browser/chromeos/login/wizard_controller.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller.cc b/chrome/browser/chromeos/login/wizard_controller.cc
index d4bac2c7ecf50460aefc221f383b25cbff066f72..b03e7def73bdf127487f26ba83a40090dc416188 100644
--- a/chrome/browser/chromeos/login/wizard_controller.cc
+++ b/chrome/browser/chromeos/login/wizard_controller.cc
@@ -53,6 +53,7 @@
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
+#include "chromeos/chromeos_constants.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "content/public/browser/browser_thread.h"
@@ -167,9 +168,9 @@ WizardController::WizardController(chromeos::LoginDisplayHost* host,
 
   chromeos::system::StatisticsProvider* provider =
       chromeos::system::StatisticsProvider::GetInstance();
-  provider->GetMachineFlag(chrome::kOemIsEnterpriseManagedKey,
+  provider->GetMachineFlag(chromeos::kOemIsEnterpriseManagedKey,
                            &force_enrollment_);
-  provider->GetMachineFlag(chrome::kOemCanExitEnterpriseEnrollmentKey,
+  provider->GetMachineFlag(chromeos::kOemCanExitEnterpriseEnrollmentKey,
                            &can_exit_enrollment_);
 }