Move scoped_temp_dir from base to base/files

chrome/browser/policy/cloud_policy_controller_unittest.cc

Index: chrome/browser/policy/cloud_policy_controller_unittest.cc
diff --git a/chrome/browser/policy/cloud_policy_controller_unittest.cc b/chrome/browser/policy/cloud_policy_controller_unittest.cc
index c96017ca572465015ce1e9e68027bcc3f24e8966..e752bc9b7b9dcd315f974dfd881574f8b77f91fd 100644
--- a/chrome/browser/policy/cloud_policy_controller_unittest.cc
+++ b/chrome/browser/policy/cloud_policy_controller_unittest.cc
@@ -4,9 +4,9 @@
 
 #include "chrome/browser/policy/cloud_policy_controller.h"
 
+#include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
-#include "base/scoped_temp_dir.h"
 #include "chrome/browser/policy/cloud_policy_data_store.h"
 #include "chrome/browser/policy/device_token_fetcher.h"
 #include "chrome/browser/policy/logging_work_scheduler.h"
@@ -117,7 +117,7 @@ class CloudPolicyControllerTest : public testing::Test {
   scoped_ptr<CloudPolicyDataStore> data_store_;
   MockDeviceManagementService service_;
   PolicyNotifier notifier_;
-  ScopedTempDir temp_user_data_dir_;
+  base::ScopedTempDir temp_user_data_dir_;
   MessageLoop loop_;
   em::DeviceManagementResponse spdy_policy_response_;