Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual to the base namespace.

chrome/installer/setup/setup_util_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 "chrome/installer/setup/setup_util_unittest.h"
 
 #include <windows.h>
 
 #include <string>
 
@@ skipping 89 matching lines @@
   work_dir = work_dir.AppendASCII("ApplyDiffPatchTest");
   ASSERT_FALSE(base::PathExists(work_dir));
   EXPECT_TRUE(file_util::CreateDirectory(work_dir));
   ASSERT_TRUE(base::PathExists(work_dir));
 
   base::FilePath src = data_dir_.AppendASCII("archive1.7z");
   base::FilePath patch = data_dir_.AppendASCII("archive.diff");
   base::FilePath dest = work_dir.AppendASCII("archive2.7z");
   EXPECT_EQ(installer::ApplyDiffPatch(src, patch, dest, NULL), 0);
   base::FilePath base = data_dir_.AppendASCII("archive2.7z");
-  EXPECT_TRUE(file_util::ContentsEqual(dest, base));
+  EXPECT_TRUE(base::ContentsEqual(dest, base));
 
   EXPECT_EQ(installer::ApplyDiffPatch(base::FilePath(), base::FilePath(),
                                       base::FilePath(), NULL),
             6);
 }
 
 // Test that we are parsing Chrome version correctly.
 TEST_F(SetupUtilTestWithDir, GetMaxVersionFromArchiveDirTest) {
   // Create a version dir
   base::FilePath chrome_dir = test_dir_.path().AppendASCII("1.0.0.0");
@@ skipping 149 matching lines @@
 // sufficiently recent operating systems.
 TEST(SetupUtilTest, AdjustFromBelowNormalPriority) {
   scoped_ptr<ScopedPriorityClass> below_normal =
       ScopedPriorityClass::Create(BELOW_NORMAL_PRIORITY_CLASS);
   ASSERT_TRUE(below_normal);
   if (base::win::GetVersion() > base::win::VERSION_SERVER_2003)
     EXPECT_EQ(PCCR_CHANGED, RelaunchAndDoProcessPriorityAdjustment());
   else
     EXPECT_EQ(PCCR_UNCHANGED, RelaunchAndDoProcessPriorityAdjustment());
 }