Move scoped_temp_dir from base to base/files

chrome/browser/sync/profile_sync_service_session_unittest.cc

Index: chrome/browser/sync/profile_sync_service_session_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_session_unittest.cc b/chrome/browser/sync/profile_sync_service_session_unittest.cc
index 9b6adbdc303d5133a1ddc4140637cec2379f7305..527386c71000ff5075ebb6a185dce0e604535ea9 100644
--- a/chrome/browser/sync/profile_sync_service_session_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_session_unittest.cc
@@ -9,10 +9,10 @@
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
-#include "base/scoped_temp_dir.h"
 #include "base/stl_util.h"
 #include "base/time.h"
 #include "chrome/browser/sessions/session_types_test_helper.h"
@@ -261,7 +261,7 @@ class ProfileSyncServiceSessionTest
 
   content::TestBrowserThread io_thread_;
   // Path used in testing.
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
   SessionModelAssociator* model_associator_;
   SessionChangeProcessor* change_processor_;
   SessionID window_id_;