Move file_util::Delete to the base namespace

base/prefs/json_pref_store_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/prefs/json_pref_store.h"
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 130 matching lines @@
   EXPECT_TRUE(actual->GetAsString(&string_value));
   int64 value;
   base::StringToInt64(string_value, &value);
   EXPECT_EQ(214748364842LL, value);
 
   // Serialize and compare to expected output.
   ASSERT_TRUE(file_util::PathExists(golden_output_file));
   pref_store->CommitPendingWrite();
   RunLoop().RunUntilIdle();
   EXPECT_TRUE(file_util::TextContentsEqual(golden_output_file, output_file));
-  ASSERT_TRUE(file_util::Delete(output_file, false));
+  ASSERT_TRUE(base::Delete(output_file, false));
 }
 
 TEST_F(JsonPrefStoreTest, Basic) {
   ASSERT_TRUE(file_util::CopyFile(data_dir_.AppendASCII("read.json"),
                                   temp_dir_.path().AppendASCII("write.json")));
 
   // Test that the persistent value can be loaded.
   base::FilePath input_file = temp_dir_.path().AppendASCII("write.json");
   ASSERT_TRUE(file_util::PathExists(input_file));
   scoped_refptr<JsonPrefStore> pref_store =
@@ skipping 117 matching lines @@
   RunLoop().RunUntilIdle();
 
   // Compare to expected output.
   base::FilePath golden_output_file =
       data_dir_.AppendASCII("write.golden.need_empty_value.json");
   ASSERT_TRUE(file_util::PathExists(golden_output_file));
   EXPECT_TRUE(file_util::TextContentsEqual(golden_output_file, pref_file));
 }
 
 }  // namespace base