base: Use TEST() macro in Value unittests.

base/dir_reader_posix_unittest.cc

Index: base/dir_reader_posix_unittest.cc
diff --git a/base/dir_reader_posix_unittest.cc b/base/dir_reader_posix_unittest.cc
index 04f7243fc274b1b37b9cc8387b34005a7e94fbaa..dd5378375b62b4209a4e5eb81f12854ee0a61ffc 100644
--- a/base/dir_reader_posix_unittest.cc
+++ b/base/dir_reader_posix_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -13,10 +13,7 @@
 #include "base/logging.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using base::DirReaderPosix;
-
-namespace {
-typedef testing::Test DirReaderPosixUnittest;
+namespace base {
 
 TEST(DirReaderPosixUnittest, Read) {
   static const unsigned kNumFiles = 100;
@@ -88,4 +85,4 @@ TEST(DirReaderPosixUnittest, Read) {
   EXPECT_EQ(kNumFiles, seen.size());
 }
 
-}  // anonymous namespace
+}  // namespace base