Move scoped_temp_dir from base to base/files

chrome/installer/util/lzma_util_unittest.cc

Index: chrome/installer/util/lzma_util_unittest.cc
diff --git a/chrome/installer/util/lzma_util_unittest.cc b/chrome/installer/util/lzma_util_unittest.cc
index 06a8dfd2ec3fe0037c7d5c76bb5d15fef520004f..c4c87eb825c33da6561d1c01a3d1a16cf1ad3ec9 100644
--- a/chrome/installer/util/lzma_util_unittest.cc
+++ b/chrome/installer/util/lzma_util_unittest.cc
@@ -5,9 +5,9 @@
 #include <windows.h>
 
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
-#include "base/scoped_temp_dir.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/installer/util/lzma_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -23,7 +23,7 @@ class LzmaUtilTest : public testing::Test {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
   }
 
-  ScopedTempDir temp_dir_;
+  base::ScopedTempDir temp_dir_;
 
   // The path to input data used in tests.
   FilePath data_dir_;