Move scoped_temp_dir from base to base/files

chrome/browser/chromeos/drive/drive_sync_client_unittest.cc

Index: chrome/browser/chromeos/drive/drive_sync_client_unittest.cc
diff --git a/chrome/browser/chromeos/drive/drive_sync_client_unittest.cc b/chrome/browser/chromeos/drive/drive_sync_client_unittest.cc
index 6314a3166c30b73731bb9caddce1b45ec9da607a..b3e621f52d3d8f3867441f7e51ef259fd0d7efa7 100644
--- a/chrome/browser/chromeos/drive/drive_sync_client_unittest.cc
+++ b/chrome/browser/chromeos/drive/drive_sync_client_unittest.cc
@@ -10,10 +10,10 @@
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
-#include "base/scoped_temp_dir.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
@@ -313,7 +313,7 @@ class DriveSyncClientTest : public testing::Test {
   MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread io_thread_;
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
   scoped_ptr<TestingProfile> profile_;
   scoped_ptr<StrictMock<MockDriveFileSystem> > mock_file_system_;
   DriveCache* cache_;