Move scoped_temp_dir from base to base/files

sql/connection_unittest.cc

Index: sql/connection_unittest.cc
diff --git a/sql/connection_unittest.cc b/sql/connection_unittest.cc
index 80364096133df84d6757b394e33a8a4a383b3792..e8f454fa13493ada1ebf7de0cc7f09ba4a1b393a 100644
--- a/sql/connection_unittest.cc
+++ b/sql/connection_unittest.cc
@@ -3,10 +3,10 @@
 // found in the LICENSE file.
 
 #include "base/file_util.h"
-#include "base/scoped_temp_dir.h"
+#include "base/files/scoped_temp_dir.h"
 #include "sql/connection.h"
-#include "sql/statement.h"
 #include "sql/meta_table.h"
+#include "sql/statement.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/sqlite/sqlite3.h"
 
@@ -30,7 +30,7 @@ class SQLConnectionTest : public testing::Test {
   }
 
  private:
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
   sql::Connection db_;
 };