Base: Make file_util and file use the same code to translate from stat to File::Info

base/files/file_proxy_unittest.cc

Index: base/files/file_proxy_unittest.cc
diff --git a/base/files/file_proxy_unittest.cc b/base/files/file_proxy_unittest.cc
index b5e100297d9af0d3c6e218b4d2f53d79808b67c1..bb7e6c31185422fa39a79383f1ebbaf7a7b5006b 100644
--- a/base/files/file_proxy_unittest.cc
+++ b/base/files/file_proxy_unittest.cc
@@ -209,9 +209,6 @@ TEST_F(FileProxyTest, GetInfo) {
   EXPECT_EQ(expected_info.size, file_info_.size);
   EXPECT_EQ(expected_info.is_directory, file_info_.is_directory);
   EXPECT_EQ(expected_info.is_symbolic_link, file_info_.is_symbolic_link);
-
-  File file = proxy.TakeFile();
-  EXPECT_TRUE(file.GetInfo(&expected_info));
   EXPECT_EQ(expected_info.last_modified, file_info_.last_modified);
   EXPECT_EQ(expected_info.creation_time, file_info_.creation_time);
 }