Move scoped_temp_dir from base to base/files

chrome/browser/history/history_database_unittest.cc

Index: chrome/browser/history/history_database_unittest.cc
diff --git a/chrome/browser/history/history_database_unittest.cc b/chrome/browser/history/history_database_unittest.cc
index 26aa731ceb9f738bdcc4ee9d215fde0e69a1d98c..622e706dac8d166a7f23555e47242dac3d8073e4 100644
--- a/chrome/browser/history/history_database_unittest.cc
+++ b/chrome/browser/history/history_database_unittest.cc
@@ -6,8 +6,8 @@
 
 #include "base/file_path.h"
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
-#include "base/scoped_temp_dir.h"
 #include "chrome/common/chrome_paths.h"
 #include "sql/init_status.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -15,7 +15,7 @@
 namespace history {
 
 TEST(HistoryDatabaseTest, DropBookmarks) {
-  ScopedTempDir temp_dir;
+  base::ScopedTempDir temp_dir;
   FilePath db_file;
 
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());