Move scoped_temp_dir from base to base/files

chrome/browser/history/history_unittest.cc

Index: chrome/browser/history/history_unittest.cc
diff --git a/chrome/browser/history/history_unittest.cc b/chrome/browser/history/history_unittest.cc
index 364a5d0154e2c3802735d2bbc29cd0d4286f9cb9..d41a02229ad0e3b3e43fb0d4bf0b040253eb1b9c 100644
--- a/chrome/browser/history/history_unittest.cc
+++ b/chrome/browser/history/history_unittest.cc
@@ -29,10 +29,10 @@
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
-#include "base/scoped_temp_dir.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
@@ -151,7 +151,7 @@ class HistoryBackendDBTest : public testing::Test {
     return db_->CreateDownload(download);
   }
 
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
 
   MessageLoopForUI message_loop_;
 
@@ -470,7 +470,7 @@ class HistoryTest : public testing::Test {
     MessageLoop::current()->Quit();
   }
 
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
 
   MessageLoopForUI message_loop_;