Move scoped_temp_dir from base to base/files

ui/base/resource/resource_bundle_unittest.cc

Index: ui/base/resource/resource_bundle_unittest.cc
diff --git a/ui/base/resource/resource_bundle_unittest.cc b/ui/base/resource/resource_bundle_unittest.cc
index 9478d5ce8868404d6b2f178405c7fad6f0e8ae78..d2b0108ab4b4e7b70afcfc375e7f1974be712a9e 100644
--- a/ui/base/resource/resource_bundle_unittest.cc
+++ b/ui/base/resource/resource_bundle_unittest.cc
@@ -7,10 +7,10 @@
 #include "base/base_paths.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/path_service.h"
-#include "base/scoped_temp_dir.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/big_endian.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -360,7 +360,7 @@ class ResourceBundleImageTest : public ResourceBundleTest {
 
  private:
   scoped_ptr<DataPack> locale_pack_;
-  ScopedTempDir dir_;
+  base::ScopedTempDir dir_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceBundleImageTest);
 };