Move Copy* into the base namespace.

chrome/installer/util/delete_tree_work_item_unittest.cc

 // 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.
 
 #include <windows.h>
 
 #include <fstream>
 
 #include "base/base_paths.h"
 #include "base/file_util.h"
@@ skipping 163 matching lines @@
   ASSERT_TRUE(file_util::PathExists(file_name_delete_2));
 
   // Create a key path file.
   base::FilePath key_path(dir_name_delete);
   key_path = key_path.AppendASCII("key_file.exe");
 
   wchar_t exe_full_path_str[MAX_PATH];
   ::GetModuleFileNameW(NULL, exe_full_path_str, MAX_PATH);
   base::FilePath exe_full_path(exe_full_path_str);
 
-  file_util::CopyFile(exe_full_path, key_path);
+  base::CopyFile(exe_full_path, key_path);
   ASSERT_TRUE(file_util::PathExists(key_path));
 
   VLOG(1) << "copy ourself from " << exe_full_path.value()
           << " to " << key_path.value();
 
   // Run the key path file to keep it in use.
   STARTUPINFOW si = {sizeof(si)};
   PROCESS_INFORMATION pi = {0};
   ASSERT_TRUE(
       ::CreateProcessW(NULL, const_cast<wchar_t*>(key_path.value().c_str()),
@@ skipping 16 matching lines @@
 
   // verify everything is still there.
   EXPECT_TRUE(file_util::PathExists(key_path));
   EXPECT_TRUE(file_util::PathExists(file_name_delete_1));
   EXPECT_TRUE(file_util::PathExists(file_name_delete_2));
 
   TerminateProcess(pi.hProcess, 0);
   // make sure the handle is closed.
   WaitForSingleObject(pi.hProcess, INFINITE);
 }