diff --git a/hwid_override_unittest.cc b/hwid_override_unittest.cc
index 10f23ee..5c654b4 100644
--- a/hwid_override_unittest.cc
+++ b/hwid_override_unittest.cc
@@ -34,16 +34,16 @@
   std::string expected_hwid("expected");
   std::string keyval(HwidOverride::kHwidOverrideKey);
   keyval += ("=" + expected_hwid);
-  ASSERT_EQ(file_util::WriteFile(tempdir_.path().Append("etc/lsb-release"),
-                                 keyval.c_str(), keyval.length()),
+  ASSERT_EQ(base::WriteFile(tempdir_.path().Append("etc/lsb-release"),
+                            keyval.c_str(), keyval.length()),
             keyval.length());
   EXPECT_EQ(expected_hwid, HwidOverride::Read(tempdir_.path()));
 }
 
 TEST_F(HwidOverrideTest, ReadNothing) {
   std::string keyval("SOMETHING_ELSE=UNINTERESTING");
-  ASSERT_EQ(file_util::WriteFile(tempdir_.path().Append("etc/lsb-release"),
-                                 keyval.c_str(), keyval.length()),
+  ASSERT_EQ(base::WriteFile(tempdir_.path().Append("etc/lsb-release"),
+                            keyval.c_str(), keyval.length()),
             keyval.length());
   EXPECT_EQ(std::string(), HwidOverride::Read(tempdir_.path()));
 }