Move scoped_temp_dir from base to base/files

chrome/browser/history/text_database_unittest.cc

Index: chrome/browser/history/text_database_unittest.cc
diff --git a/chrome/browser/history/text_database_unittest.cc b/chrome/browser/history/text_database_unittest.cc
index 15f9a260791b8b02dedc73b1e5403bb89d0a550e..03d8fdd267176143d384f448ccd5dd32844d99d3 100644
--- a/chrome/browser/history/text_database_unittest.cc
+++ b/chrome/browser/history/text_database_unittest.cc
@@ -5,8 +5,8 @@
 #include <string>
 
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/scoped_temp_dir.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/history/text_database.h"
@@ -118,7 +118,7 @@ class TextDatabaseTest : public PlatformTest {
   }
 
   // Directory containing the databases.
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
 
   // Name of the main database file.
   FilePath file_name_;