Move Posix file utils to the base namespace.

chrome/browser/download/download_browsertest.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 <sstream>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 2995 matching lines @@
   base::PlatformFile fd = base::CreatePlatformFile(
       file_path, flags, &created, &error);
   int64 size = 1 << 29;
   EXPECT_EQ(size, base::SeekPlatformFile(
       fd, base::PLATFORM_FILE_FROM_BEGIN, size));
   EXPECT_EQ(1, base::WritePlatformFileAtCurrentPos(fd, "a", 1));
   EXPECT_TRUE(base::ClosePlatformFile(fd));
   fd = base::kInvalidPlatformFileValue;
 #if defined(OS_POSIX)
   // Make it readable by chronos on chromeos
-  file_util::SetPosixFilePermissions(file_path, 0755);
+  base::SetPosixFilePermissions(file_path, 0755);
 #endif
 
   // Ensure that we have enough disk space.
   int64 free_space = base::SysInfo::AmountOfFreeDiskSpace(
       GetDownloadDirectory(browser()));
   ASSERT_LE(size, free_space) << "Not enough disk space to download. Got "
                               << free_space;
   GURL file_url(net::FilePathToFileURL(file_path));
   scoped_ptr<content::DownloadTestObserver> progress_waiter(
       CreateInProgressWaiter(browser(), 1));
@@ skipping 223 matching lines @@
 
   // No errors this time. The download should complete successfully.
   EXPECT_FALSE(completion_observer->IsFinished());
   completion_observer->StartObserving();
   download->Resume();
   completion_observer->WaitForFinished();
   EXPECT_EQ(DownloadItem::COMPLETE, download->GetState());
 
   EXPECT_FALSE(DidShowFileChooser());
 }