Move scoped_temp_dir from base to base/files

chrome/browser/net/sqlite_persistent_cookie_store_perftest.cc

Index: chrome/browser/net/sqlite_persistent_cookie_store_perftest.cc
diff --git a/chrome/browser/net/sqlite_persistent_cookie_store_perftest.cc b/chrome/browser/net/sqlite_persistent_cookie_store_perftest.cc
index 6fea67d42474231df635ad08f274f13f86ab1ecc..b03a14ca882f451496a4b7a7cfe5c90df2c80855 100644
--- a/chrome/browser/net/sqlite_persistent_cookie_store_perftest.cc
+++ b/chrome/browser/net/sqlite_persistent_cookie_store_perftest.cc
@@ -3,9 +3,9 @@
 // found in the LICENSE file.
 
 #include "base/bind.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "base/perftimer.h"
-#include "base/scoped_temp_dir.h"
 #include "base/stringprintf.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/thread_test_helper.h"
@@ -86,7 +86,7 @@ class SQLitePersistentCookieStorePerfTest : public testing::Test {
   base::WaitableEvent loaded_event_;
   base::WaitableEvent key_loaded_event_;
   std::vector<net::CanonicalCookie*> cookies_;
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
   scoped_refptr<SQLitePersistentCookieStore> store_;
 };